Affiliation: | 1. Division of Pediatric and Adolescent Dermatology, Rady Children's Hospital, San Diego, CA, USA;2. Departments of Dermatology and Pediatrics, School of Medicine, University of California, San Diego, CA, USA;3. David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA;4. Department of Dermatology, Centro de Especialistas, Hospital Fundación Cardioinfantil, Bogotá, Colombia |