1. Section of Dermatology; Division of Paediatric Medicine; The Hospital for Sick Children; University of Toronto; Toronto ON Canada
2. Pediatric Rheumatology Unit; Department of Women's and Children's Health; University of Padua; Padua Italy
3. Department of Pediatrics; Joseph M. Sanzari Children's Hospital; Hackensack Meridian Health; Hackensack New Jersey
4. Department of Pediatrics; British Columbia Children's Hospital; University of British Columbia; Vancouver BC Canada
5. Division of Neurology; Department of Pediatrics, Neuroscience and Mental Health; SickKids Research Institute; Hospital for Sick Children; University of Toronto; Toronto ON Canada
6. Division of Rheumatology; Department of Pediatrics; Texas Scottish Rite Hospital for Children; University of Texas Southwestern Medical Center; Dallas Texas
7. Division of Rheumatology; Departments of Paediatrics and Medicine; The Hospital for Sick Children; University of Toronto; Toronto ON Canada