1 a Department of Neurology, Public Health, Disability Unit , Neurological Institute C. Besta IRCCS Foundation, Research Branch of the Italian WHO-FIC Collaborating Centre , Milano , Italy.
2 b World Confederation for Physical Therapy , London , UK.
3 c Centre for Disability Policy and Research , University of Sydney , Lidcombe , Australia.
4 d WHO Collaborating Centre for the Family of International Classifications , National Institute for Public Health and the Environment , Bilthoven , The Netherlands.
5 e Zurich University of Teacher Education , Zurich , Switzerland.
6 f Centre for Health Professions Education , Stellenbosch University , Cape Town , South Africa.
7 g CanChild Centre for Childhood Disability Research , McMaster University , Hamilton , ON.
8 h E. Medea Scientific Institute Conegliano Research Centre, Research Branch of the Italian WHO-FIC Collaborating Centre , Conegliano , Italy.