1. Division of Pharmacoepidemiology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
2. Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
3. Division of Infectious Disease, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
4. Division of Rheumatology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
5. Division of Dermatology, Department of Pediatrics, Seattle Children’s Hospital, Seattle, Washington