1. Departments of Dermatology and Pediatrics, Northwestern University's Feinberg Medical School/Children's Memorial Hospital, Chicago, Illinois
2. Departments of Pediatrics and Medicine, Rady Children's Hospital-San Diego/University of California, San Diego, California
3. Departments of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida
4. Astellas Pharma US, Inc, Deerfield, Illinois
5. Department of Dermatology, Oregon Health and Science University, Portland, Oregon