1. Chair in Pediatric Pain URV-FundaciónGrünenthal and Unit for the Study and Treatment of Pain – ALGOS , Catalonia , Spain
2. Research Center for Behavior Assessment (CRAMC) , Department of Psychology , Catalonia , Spain
3. Institut d’Investigació Sanitària Pere Virgili ; Universitat Rovira i Virgili , Catalonia , Spain
4. Lawson Health Research Institute , Ontario , Canada
5. Beryl & Richard Ivey Rheumatology Day Programs, St. Joseph’s Health Care , Ontario , Canada
6. Clinical and Neurological Sciences Department, Schulich School of Medicine & Dentistry , University of Western Ontario , London, ON , Canada
7. Department of Rehabilitation Medicine , University of Washington , Seattle, WA , USA