[1] Univ Penn, Perelman Sch Med, Ctr Clin Epidemiol & Biostat, Philadelphia, PA 19104 USA
[2] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[3] Univ Penn, Psychiat & Pediat, Ctr Mental Hlth Policy & Serv Res, Perelman Sch Med, Philadelphia, PA 19104 USA
[4] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[5] Ctr Pediat Clin Effectiveness, Philadelphia, PA USA
[6] PolicyLab, Philadelphia, PA USA
[7] Childrens Hosp Philadelphia, Div Pediat Rheumatol, Philadelphia, PA 19104 USA