1. Columbia University College of Physicians and Surgeons; New York New York
2. Department of Dermatology; School of Medicine; University of Colorado Anschutz Medical Campus; Aurora Colorado
3. Department of Pediatric Dermatology; School of Medicine; University of Colorado Anschutz Medical Campus; Aurora Colorado
4. Department of Pediatrics; School of Medicine; University of Colorado Anschutz Medical Campus; Aurora Colorado