1. Faculty of Social and Human Sciences, School of Psychology, University of Southampton, Southampton, UK;
2. Department of Medical Informatics, Biometry and Epidemiology – IBE, Chair for Public Health and Health Services Research, Research Unit for Biopsychosocial Health, Ludwig-Maximilians-University (LMU), Munich, Germany;
3. Swiss Paraplegic Research, Nottwil, Switzerland;
4. University Health Network, Toronto, Canada;
5. CanChild Centre for Child Disability Research, McMaster University, Hamilton, Canada;
6. Department of Health Sciences and HealthPolicy, University of Lucerne, Lucerne, Switzerland;
7. ICF Research Branch a Cooperation Partner within the WHO Collaborating Centre for the Family of International Classifications in Germany (at DIMDI), Nottwil, Switzerland