1. Section of Dermatology, Department of Dermatology, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia
2. Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
3. Dermatology Program, Division of Immunology, Boston Children’s Hospital, Boston, Massachusetts
4. Rheumatology Program, Division of Immunology, Boston Children’s Hospital, Boston, Massachusetts