Abstract
Objective
Data Sources
Study Selection
Data Extraction
Data Synthesis
Conclusions
Keywords
List of abbreviations:
ACS (Activity Card Sort), ACS-Aus (Activity Card Sort Australian version), ACS-HK (Activity Card Sort Hong Kong version), ACS-Israeli (Activity Card Sort Israeli version), ADL (activities of daily living), BI (Barthel Index), FAI (Frenchay Activities Index), IADL (instrumental activities of daily living), ICC (intraclass correlation coefficient), ICF (International Classification of Functioning, Disability and Health), ICIDH (International Classification of Impairments, Disabilities and Handicaps), LHS (London Handicap Scale), LIFE-H (Assessment of Life Habits), NEADL (Nottingham Extended Activities of Daily Living scale), SIS (Stroke Impact Scale), SMAF (Functional Autonomy Measurement System)Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to Archives of Physical Medicine and RehabilitationReferences
- ICF Australian user guide. Version 1.0. Disability series. AIHW Cat. No. DIS 33.AIHW, Canberra2003
- Comparison of time use, role participation and life satisfaction of older people after stroke with a sample without stroke.Aust Occup Ther J. 2009; 56: 177-188
- The impact of mild stroke on meaningful activity and life satisfaction.J Stroke Cerebrovasc Dis. 2006; 15: 151-157
- International Classification of Functioning, Disability and Health (ICF).WHO, Geneva2001
- The International Classification of Functioning, Disability and Health: contemporary literature overview.Rehabil Psychol. 2005; 50: 113-121
- Muriel Driver Memorial Lecture. Participation and occupation.Can J Occup Ther. 2005; 72: 195-204
- Assessment of participation outcomes in randomized controlled trials of stroke rehabilitation interventions.Int J Rehabil Res. 2007; 30: 339-342
- Issues for selection of outcome measures in stroke rehabilitation: ICF participation.Disabil Rehabil. 2005; 27: 507-528
- Structural relationship between stroke indicators from the International Classification of Functioning, Disability and Health and stroke variables from the National Health Interview Survey [Dissertation].The Ohio State Univer, Columbus2009
- Issues in the conceptualization and measurement of participation: an overview.Arch Phys Med Rehabil. 2010; 91: S5-S16
- Issues affecting the selection of participation measurement in outcomes research and clinical trials.Arch Phys Med Rehabil. 2010; 91: S54-S59
- A comparative review of contemporary participation measures' psychometric properties and content coverage.Arch Phys Med Rehabil. 2010; 91: S17-S28
- A review of participation instruments based on the International Classification of Functioning, Disability and Health.Disabil Rehabil. 2009; 31: 1883-1901
- Comparing the content of participation instruments using the International Classification of Functioning, Disability and Health.Health Qual Life Outcomes. 2009; 7: 93
- Measuring participation as defined by the International Classification of Functioning, Disability and Health: an evaluation of existing measures.Arch Phys Med Rehabil. 2009; 90: 856-866
- Measuring participation according to the International Classification of Functioning, Disability and Health (ICF).Disabil Rehabil. 2003; 25: 577-587
- A systematic review of instruments assessing participation: challenges in defining participation.Arch Phys Med Rehabil. 2011; 92: 983-997
- Evaluation of a long-term community based rehabilitation program for adult stroke survivors.NeuroRehabilitation. 2007; 22: 295-301
- Activities, participation and satisfaction one-year post stroke.Disabil Rehabil. 2007; 29: 559-566
- Practice guidelines for standardized assessment for persons with traumatic brain injury.J Med Speech Lang Pathol. 2005; 13: ix-xxxviii
- Foundations of clinical research: applications to practice.3rd ed. Pearson Education, Upper Saddle River2009
- Guidelines, criteria and rules of thumb for evaluating normed and standardized assessment instruments in psychology.Psychol Assess. 1994; 6: 284-290
- ICF linking rules: an update based on lessons learned.J Rehabil Med. 2005; 37: 212-218
- Rasch analysis of a new stroke-specific outcome scale: The Stroke Impact Scale.Arch Phys Med Rehabil. 2003; 84: 950-963
- The Stroke Impact Scale version 2.0: evaluation of reliability, validity, and sensitivity to change.Stroke. 1999; 30: 2131-2140
- Handicap one year after a stroke: validity of a new scale.J Neurol Neurosurg Psychiatry. 1994; 57: 825-829
- Measuring handicap: The London Handicap Scale, a new outcome measure for chronic disease.Qual Health Care. 1994; 3: 11-16
- Life Habits Measure—shortened version (LIFE-H 3.0).International Network on the Disability Creation Process, Lac St-Charles1998
- Life Habits Measure—shortened version (LIFE-H 3.1).International Network on the Disability Creation Process, Lac St-Charles2002
- An activities index for use with stroke patients.Age Aging. 1983; 12: 166-170
- The contribution of occupation to function in persons with Alzheimers's disease.J Occup Sci. 1995; 2: 59-67
- Determinants of participation restriction among community dwelling stroke survivors: a path analysis.BMC Neurol. 2009; 9: 49
- Measuring handicap: motives, methods, and a model.Qual Health Care. 1994; 3: 53-57
- Measuring social participation: reliability of the LIFE-H in older adults with disabilities.Disabil Rehabil. 2004; 26: 346-352
- The Quebec classification: disability creation process.International Network on the Disability Creation Process, Lac St-Charles1999
- Validity of the assessment of Life Habits (LIFE-H) in older adults.J Rehabil Med. 2004; 36: 177-182
- Participation after stroke compared to normal aging.J Rehabil Med. 2005; 37: 353-357
- Inter-rater reliability of the Frenchay Activities Index in patients with stroke and their carers.Clin Rehabil. 2000; 14: 433-440
- A test-retest reliability study of the Barthel Index, the Rivermead Mobility Index, the Nottingham Extended Activities of Daily Living Scale and the Frenchay Activities Index in stroke patients.Disabil Rehabil. 2001; 23: 670-676
- Association between impairments, self-care ability and social activities 1 year after stroke.Disabil Rehabil. 1999; 21: 372-377
- Validity and reliability of the Activity Card Sort–Hong Kong version.OTJR (Thorofare N J). 2006; 26: 152
- Participation in occupational performance: reliability and validity of the Activity Card Sort.OTJR (Thorofare N J). 2003; 23: 10-17
- Relationship of activity and social support to the functional health of older adults.J Gerontol B Psychol Sci Soc Sci. 2000; 55B: S208-S212
- Measuring changes in activity participation of older Australians: validation of the Activity Card Sort–Australia.Australas J Ageing. 2008; 27: 33-37
- Development of the Activity Card Sort–Australia.Aust Occup Ther J. 2008; 55: 199-206
- Occupational performance assessment.in: Christiansen C. Baum C.M. Bass-Haugen J. Occupational therapy: performance, participation, and well-being. 3rd ed. Slack, Thorofare2005: 338-370
- An evaluation of multiple-choice test images for comprehension assessment in aphasia.Aphasiology. 2007; 21: 883-900
- Functional electrical stimulation to dorsiflexors and plantar flexors during gait to improve walking in adults with chronic hemiplegia.Arch Phys Med Rehabil. 2010; 91: 687-696
- Effects of a foot drop neuroprosthesis on functional abilities, social participation, and gait velocity.Am J Phys Med Rehabil. 2009; 88: 14-20
- Mild impairment of cognition impacts on activity participation after stroke in a community-dwelling Australian cohort.OTJR (Thorofare N J). 2011; 31: 8
- Inventory and analysis of definitions of social participation found in the aging literature: proposed taxonomy of social activities.Soc Sci Med. 2010; 71: 2141-2149
- Discharged after stroke—important factors for health-related quality of life.J Clin Nurs. 2010; 19: 2196-2206
- Working after a stroke: survivors' experiences and perceptions of barriers to and facilitators of the return to paid employment.Disabil Rehabil. 2007; 29: 1858-1869
- Comparing contents of functional outcome measures in stroke rehabilitation using the International Classification of Functioning, Disability and Health.Disabil Rehabil. 2007; 29: 221-230
- Outcome measures in acute stroke trials: a systematic review and some recommendations to improve practice.Stroke. 2000; 31: 1429-1438
- Are the ICF Activity and Participation dimensions distinct?.J Rehabil Med. 2003; 35: 145-149
- Blending activity and participation sub-domains of the ICF.Disabil Rehabil. 2007; 29: 1742-1750
- Clinimetrics in rehabilitation medicine: current issues in developing and applying measurement instruments.J Rehabil Med. 2005; 37: 193-201
- Identification of aphasia post stroke: a review of screening assessment tools.Brain Inj. 2006; 20: 559-568
- A systematic evaluation of the adaptation of depression diagnostic methods for stroke survivors who have aphasia.Stroke. 2007; 38: 3076-3083
- Facilitating the participation of people with aphasia in research: a description of strategies.Clin Rehabil. 2009; 23: 948
- Integrated methods in health research.in: Liamputtong P. Research methods in health: foundations for evidence-based practice. Oxford University Pr, South Melbourne2010: 317-330
- Are patients 1 year post-stroke active enough to improve their physical health?.Disabil Rehabil. 2012; 34: 574-580
- Translating animal doses of task-specific training to people with chronic stroke in 1-hour therapy sessions: a proof-of-concept study.Neurorehabil Neural Repair. 2010; 24: 620-635
- No specific effect of whole-body vibration training in chronic stroke: a double-blind randomized controlled study.Arch Phys Med Rehabil. 2012; 93: 253-258
- Attempting to improve function and quality of life using the FTM protocol: case report.J Neurol Phys Ther. 2006; 30: 148-156
- Determinants of quality of life in Brazilian stroke survivors.J Neurol Sci. 2009; 284: 63-68
- Effects of an intensive, task-specific rehabilitation program for individuals with chronic stroke: a case series.Disabil Rehabil. 2010; 32: 669-678
- Is walking endurance associated with activity and participation late after stroke?.Disabil Rehabil. 2011; 33: 2053-2057
- Knee muscle strength, gait performance, and perceived participation after stroke.Arch Phys Med Rehabil. 2006; 87: 974-980
- Long-term benefits of progressive resistance training in chronic stroke: a 4-year follow-up.J Rehabil Med. 2012; 44: 218-221
- Progressive resistance training after stroke: effects on muscle strength, muscle tone, gait performance and perceived participation.J Rehabil Med. 2008; 40: 42-48
- Hopeful thinking, participation, and depressive symptoms three months after stroke.Psychol Health. 2006; 21: 319-334
- Predictors of change in quality of life after distributed constraint-induced therapy in patients with chronic stroke.Neurorehabil Neural Repair. 2010; 24: 559-566
- Factors related to community participation by stroke victims six month post-stroke.Southeast Asian J Trop Med Public Health. 2011; 42: 1005-1013
- Caregiver characteristics predict stroke survivor quality of life at 4 months and 1 year.Res Nurs Health. 2009; 32: 592-605
- Persisting consequences of stroke measured by the Stroke Impact Scale.Stroke. 2002; 33: 1840-1844
- A longitudinal view of apathy and its impact after stroke.Stroke. 2009; 40: 3299-3307
- Step Test scores are related to measures of activity and participation in the first 6 months after stroke.Phys Ther. 2009; 89: 1061-1071
- Living well with stroke: design and methods for a randomized controlled trial of a psychosocial behavioral intervention for poststroke depression.J Stroke Cerebrovasc Dis. 2008; 17: 109-115
- Functional capacity and health-related quality of life in individuals post stroke.Top Stroke Rehabil. 2008; 15: 51-58
- Portable neurorobotics for the severely affected arm in chronic stroke: a case study.J Neurol Phys Ther. 2011; 35: 41-46
- Improvements in speed-based gait classifications are meaningful.Stroke. 2007; 38: 2096-2100
- The impact evaluation of physical therapy on the quality of life of cerebrovascular stroke patients.Int J Rehabil Res. 2006; 29: 243-246
- Treadmill training post stroke: are there any secondary benefits? A pilot study.Clin Rehabil. 2008; 22: 997-1002
- Description of functional disability among younger stroke patients: exploration of activity and participation and environmental factors.Int J Rehabil Res. 2009; 32: 124
- Community-based adaptive physical activity program for chronic stroke: feasibility, safety, and efficacy of the Empoli model.Neurorehabil Neural Repair. 2009; 23: 726-734
- Daily functioning and quality of life in a randomized controlled trial of therapeutic exercise for subacute stroke survivors.Stroke. 2005; 36: 1764-1770
- Psychosocial predictors of quality of life in a sample of community-dwelling stroke survivors: a longitudinal study.Top Stroke Rehabil. 2009; 16: 157-166
- Poststroke fatigue: who is at risk for an increase in fatigue?.Stroke Res Treat. 2012; 2012 (7 pages). Available at: (Accessed May 1, 2012.)
- Social activities after stroke: measurement and natural history using the Frenchay Activities Index.Int Rehabil Med. 1985; 7: 176-181
- Goal achievement in the six months after inpatient rehabilitation for stroke.Disabil Rehabil. 2009; 31: 880-886
- Depression among Chinese stroke survivors six months after discharge from a rehabilitation hospital.J Clin Nurs. 2010; 19: 3042-3050
- How does stroke restrict participation in long-term post-stroke survivors?.Acta Neurol Scand. 2005; 112: 157-162
- Auckland Stroke Outcomes Study. Part 1: gender, stroke types, ethnicity, and functional outcomes 5 years post stroke.Neurology. 2010; 75: 1597-1607
- Motor function and participation among Nigerian stroke survivors: 6-month follow-up study.NeuroRehabilitation. 2009; 25: 137-142
- The influence of participation on health-related quality of life in stroke patients.Disabil Rehabil. 2011; 33: 1990-1996
- Gait outcome following outpatient physiotherapy based on the Bobath concept in people post stroke.Disabil Rehabil. 2006; 28: 873-881
- Handicap and its determinants of change in stroke survivors: one-year follow-up study.Stroke. 2008; 39: 148-153
- Impact of a healthy lifestyle on all-cause and cardiovascular mortality after stroke in the USA.J Neurol Neurosurg Psychiatry. 2012; 83: 146-151
- Short-term changes in and predictors of participation of older adults after stroke following acute care or rehabilitation.Neurorehabil Neural Repair. 2008; 22: 288-297
- Predictors of long-term participation after stroke.Disabil Rehabil. 2006; 28: 221-230
- Adaptation process, participation and depression over six months in first-stroke individuals and spouses.Clin Rehabil. 2007; 21: 554-562
- Changes in participation after a mild stroke: quantitative and qualitative perspectives.Top Stroke Rehabil. 2007; 14: 59-68
- Study protocol of the YOU CALL—WE CALL TRIAL: impact of a multimodal support intervention after a “mild” stroke.BMC Neurol. 2010; 10: 3
- Participation after a stroke: changes over time as a function of cognitive deficits.Arch Gerontol Geriatr. 2011; 52: 336-343
- Moderator and mediator effects of personal factors in patients with stroke.J Phys Ther Sci. 2009; 21: 55-63
- Long-term outcome poststroke: predictors of activity limitation and participation restriction.Arch Phys Med Rehabil. 2011; 92: 1802-1808
- The impact of stroke: are people with aphasia different to those without?.Disabil Rehabil. 2011; 33: 211-218
- Recovery after stroke: a 1-year profile.Disabil Rehabil. 2009; 31: 831-839
- Community skill performance and its association with the ability to perform everyday tasks by stroke survivors one year following rehabilitation discharge.Top Stroke Rehabil. 2007; 14: 48-56
- Is cognitive functioning 1 year poststroke related to quality of life domain?.J Stroke Cerebrovasc Dis. 2011; 20: 450-458
- From rehabilitation to recovery: protocol for a randomised controlled trial evaluating a goal-based intervention to reduce depression and facilitate participation post-stroke.BMC Neurol. 2011; 11: 73
- Cognitive approach to improving participation after stroke: two case studies.Am J Occup Ther. 2011; 65: 55
- Factors associated with health-related quality of life after stroke: a 1-year prospective cohort study.Neurorehabil Neural Repair. 2012; 26: 266-274
- Stroke in Swedish children II: long-term outcome.Acta Paediatr. 2010; 99: 1650-1656
- A Brazilian experience to describe functioning and disability profiles provided by combined use of ICD and ICF in chronic stroke patients at home-care.Disabil Rehabil. 2011; 33: 2064-2074
- Stroke patients communicating their healthcare needs in hospital: a study within the ICF framework.Int J Lang Commun Disord. 2012; 47: 130-143
- SALGOT—Stroke Arm Longitudinal study at the University of Gothenburg, prospective cohort study protocol.BMC Neurol. 2011; 11: 56
- Perceived participation and autonomy: aspects of functioning and contextual factors predicting participation after stroke.J Rehabil Med. 2011; 43: 388-397
- Identification of risk factors related to perceived unmet demands in patients with chronic stroke.Disabil Rehabil. 2007; 29: 1841-1846
- Mental practice-based rehabilitation training to improve arm function and daily activity performance in stroke patients: a randomized clinical trial.BMC Neurol. 2008; 8: 7
- The influence of the quality and quantity of social support in the promotion of community participation following stroke.Aust Occup Ther J. 2007; 54: 215-220
- Individuals with the dominant hand affected following stroke demonstrate less impairment than those with the nondominant hand affected.Neurorehabil Neural Repair. 2006; 20: 380-389
- Implementation, process, and preliminary outcome evaluation of two community programs for persons with stroke and their care partners.Top Stroke Rehabil. 2008; 15: 503-520
- Activity, participation, and quality of life 6 months poststroke.Arch Phys Med Rehabil. 2002; 83: 1035-1042
- Satisfaction with activity and participation and its relationships with body functions, activities, or environmental factors in stroke patients.Arch Phys Med Rehabil. 2011; 92: 1404-1410
- Effect of simultaneous botulinum toxin injections into several muscles on impairment, activity, participation, and quality of life among stroke patients presenting with a stiff knee gait.Stroke. 2008; 39: 2803-2808
- Effect of upper limb botulinum toxin injections on impairment, activity, participation, and quality of life among stroke patients.Stroke. 2009; 40: 2589-2591
- Outcomes of speech-language pathology following stroke: investigation of inpatient rehabilitation and rehabilitation in the home programs.Int J Speech Lang Pathol. 2008; 10: 305-313
- Using the Australian Therapy Outcome Measures for Occupational Therapy (AusTOMs-OT) to measure outcomes for clients following stroke.Top Stroke Rehabil. 2008; 15: 351-364
- The short- and long-term effectiveness of the LSVT for dysarthria following TBI and stroke.Brain Inj. 2008; 22: 339-352
- Upper extremity function in stroke subjects: relationships between the International Classification of Functioning, Disability, and Health domains.J Hand Ther. 2011; 24: 257-264
- Effects of trunk restraint in addition to home-based modified constraint-induced movement therapy after stroke: a randomized controlled trial.Int J Stroke. 2012; 7: 258-264
- Effect of strengthening exercise in addition to task-specific gait training after stroke: a randomised trial.Int J Stroke. 2010; 5: 329-335
- A pilot randomized controlled trial of community-based occupational therapy in late stroke rehabilitation.Top Stroke Rehabil. 2007; 14: 37-45
- Modified constraint-induced movement therapy for elderly clients with subacute stroke.Am J Occup Ther. 2011; 65: 409-418
- Evaluation of documented nursing care plans by the use of nursing-sensitive outcome indicators.J Eval Clin Pract. 2010; 16: 611-618
- The influence of perceived pain on satisfaction with community participation after hospital discharge.Arch Phys Med Rehabil. 2005; 86: 2095-2100
- Participation in community walking following stroke: subjective versus objective measures and the impact of personal factors.Phys Ther. 2011; 91: 1865-1876
- Factors associated with health-related quality of life for adults with stroke sequelae.Arq Neuropsiquiatr. 2011; 69: 371-376
- Evaluating a complex intervention with a single outcome may not be a good idea: an example from a randomised trial of stroke case management.Age Ageing. 2011; 40: 718-724
- Changing self-efficacy in individuals following a first time stroke: preliminary study of a novel self-management intervention.Clin Rehabil. 2009; 23: 522
- How feasible is the attainment of community ambulation after stroke? A pilot randomized controlled trial to evaluate community-based physiotherapy in subacute stroke.Clin Rehabil. 2008; 22: 215
- Significance of poor patient participation in physical and occupational therapy for functional outcome and length of stay.Arch Phys Med Rehabil. 2004; 85: 1599-1601
- Cognitive and affective predictors of rehabilitation participation after stroke.Arch Phys Med Rehabil. 2010; 91: 203-207
- Measuring participation across impairment groups using the Craig Handicap Assessment Reporting Technique.Am J Phys Med Rehabil. 2003; 82: 936-941
- An investigation into the social participation of stroke survivors with aphasia.Disabil Rehabil. 2010; 32: 1678-1685
- A prospective study to evaluate a new residential community reintegration programme for severe chronic brain injury: the Brain Integration Programme.Brain Inj. 2008; 22: 545-554
- Improving community ambulation after stroke: The AMBULATE trial.BMC Neurol. 2009; 9: 8
- Treadmill walking with body weight support in subacute non-ambulatory stroke improves walking capacity more than overground walking: a randomised trial.J Physiother. 2010; 56: 97-103
- ICF disability measured by WHO-DAS II in three community diagnostic groups in Madrid, Spain.Gac Sanit. 2011; 25: 21-28
- Stroke maintenance exercise group: pilot study on daily functioning in long-term stroke survivors.Aust J Prim Health. 2010; 16: 93-97
- Long-term health states relevant to young persons with stroke living in the community in southern Stockholm—a study of self-rated disability and predicting factors.Disabil Rehabil. 2012; 34: 817-823
- Determinants of cognitive impairment over time among the elderly in Taiwan: results of the national longitudinal study.Arch Gerontol Geriatr. 2010; 50: S53-S57
- A multicentre randomized controlled trial of leisure therapy and conventional occupational therapy after stroke.Clin Rehabil. 2001; 15: 42-52
- A randomized controlled trial to evaluate intensity of community-based rehabilitation provision following stroke or hip fracture in old age.Clin Rehabil. 2006; 20: 123-131
- Functioning and subjective health among stroke survivors after discharge from hospital.J Adv Nurs. 2006; 54: 457-466
- BoTULS: a multicentre randomised controlled trial to evaluate the clinical effectiveness and cost-effectiveness of treating upper limb spasticity due to stroke with botulinum toxin type A.Health Technol Assess. 2010; 14: 1
- ‘Getting your life back on track after stroke’: a Phase II multi-centered, single-blind, randomized, controlled trial of the Stroke Self-Management Program vs. the Stanford Chronic Condition Self-Management Program or standard care in stroke survivors.Int J Stroke. 2009; 4: 137-144
- Varied overground walking-task practice versus body-weight-supported treadmill training in ambulatory adults within one year of stroke: a randomized controlled trial protocol.BMC Neurol. 2011; 11: 129
- Profile of life participation after stroke and aphasia.Top Stroke Rehabil. 2010; 17: 432
- Stroke caregivers' strain: prevalence and determinants in the first six months after stroke.Disabil Rehabil. 2008; 30: 523-530
- A community-based fitness and mobility exercise program for older adults with chronic stroke: a randomized, controlled trial.J Am Geriatr Soc. 2005; 53: 1667-1674
- An initial exploration of the perceptual threshold test using electrical stimulation to measure arm sensation following stroke.Clin Rehabil. 2011; 25: 1042-1049
- Family-mediated exercise intervention (FAME): evaluation of a novel form of exercise delivery after stroke.Stroke. 2011; 42: 681-686
- Children's participation in home, school and community life after acquired brain injury.Aust Occup Ther J. 2010; 57: 118-126
- A case series to review the effectiveness of an upper limb circuit training group on the performance of the upper limb in stroke patients.N Z J Physiother. 2011; 39: 69-74
- International classification of impairments, disabilities and handicaps.WHO, Geneva1980
- Activity Card Sort (ACS): test manual.Program in Occupational Therapy, Washington University School of Medicine, St Louis2001
- Glossary of terms.in: Unsworth C.A. Cognitive and perceptual dysfunction: a clinical reasoning approach to evaluation and intervention. FA Davis, Philadelphia1999 (p 473-84)
Article info
Publication history
Footnotes
Supported by a La Trobe University Postgraduate Research Scholarship, a Florey Institute of Neuroscience and Mental Health Top-up Scholarship, and a Stroke Society of Australasia Scientific Award; and by an Australian Research Council Future Fellowship (FT0992299) and the Victorian Government’s Operational Infrastructure Support Program. The funding sources had no role in conduct of the study or writing of the report.
No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit on the authors or on any organization with which the authors are associated.