Sylvia Ota1
, Randy Q Cron2
, Laura E Schanberg3
, Kathleen O'Neil4
, Elizabeth D Mellins5
, Robert C Fuhlbrigge6
and Brian M Feldman1,7,8,9,10 
1Department of Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada
2Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, USA
3Department of Pediatrics, Duke University Medical Center, North Carolina, USA
4Division of Pediatric Rheumatology, University of Oklahoma Health Sciences Center, Oklahoma City, USA
5Department of Pediatrics, Stanford University, Stanford, USA
6Division of Immunology, Children's Hospital-Boston, Boston, USA
7Department of Pediatrics, University of Toronto, Toronto, Canada
8Department of Health Policy Management and Evaluation, University of Toronto, Toronto, Canada
9Department of Public Health Sciences, University of Toronto, Toronto, Canada
10Division of Rheumatology, The Hospital for Sick Children, Toronto, Canada