1. Center for Adolescent Health, Lucile Packard Children's Hospital, Palo Alto, California, United States
2. Department of Family Health Care Nursing, University of California San Francisco, San Francisco, California, United States
3. Department of Pediatrics—Adolescent Medicine, Stanford University School of Medicine, Palo Alto, California, United States
4. Department of Pediatrics — Rheumatology, Stanford University School of Medicine, Palo Alto, California, United States
5. Stanford University School of Medicine, Stanford, California, United States
6. Stanford Children's Health, Menlo Park, California, United States