1. Department of Occupational Therapy Education, School of Health Professions, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA
2. Patient Centred Outcomes Research Group, Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds LS2 9JT, UK
3. Academic Unit of Health Economics, Leeds Institute of Health Sciences, University of Leeds, Leeds LS2 9JT, UK