Ross E Petty, MD, PhD, DSc (Hon), FRCPC, Professor Emeritus, Pediatric Rheumatology, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada, Ronald Laxer, MDCM, FRCPC, Professor, Departments of Pediatrics and Medicine, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, Toronto, Ontario, Canada, Carol Lindsley, MD, FAAP, MACR, Professor, Department of Pediatrics, University of Kansas School of Medicine; Chief of Pediatric Rheumatology, Department of Pediatrics, University of Kansas Medical Center, Kansas City, Kansas, Lucy Wedderburn, MD, MA, PhD, FRCP, Professor in Paediatric Rheumatology, Institute of Child Health, University College London; Consultant in Paediatric Rheumatology, Department of Rheumatology Great Ormond Street Hospital National Health Service Trust, London, Great Britain, Robert C Fuhlbrigge, MD PhD, Children's Hospital Colorado University of Colorado- Denver and Elizabeth D. Mellins, MD, Department of Pediatrics Stanford University School of Medicine