1 Drs. Haft and Eichenfield and Ms. Sui are from the Division of Pediatric and Adolescent Dermatology, Rady Children's Hospital-San Diego, and the Departments of Dermatology and Pediatrics, UC San Diego School of Medicine. Dr. Choi is from the Department of Dermatology, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea.