Holland Bloorview Kids Rehabilitation Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Toronto - Toronto Rehabilitation Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, IWK Health Centre, affiliation not provided to SSRN, University of Toronto - University Health Network, Holland Bloorview Kids Rehabilitation Hospital, affiliation not provided to SSRN, University of Calgary, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Calgary - Faculty of Social Work, University of Göttingen - University Medical Centre, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, RAND Corporation, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Holland Bloorview Kids Rehabilitation Hospital, IWK Health Centre, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and The Hospital for Sick Children - Division of Adolescent Medicine