1. Department of Pediatrics, Yale New Haven Health – Bridgeport Site, Bridgeport, Connecticut; Pediatric Healthcare Associates, Shelton, Connecticut, USA
2. Centre for Rare Skin Diseases, Dermatology Department, Larrey Hospital, Paul Sabatier University, Toulouse, France
3. Departments of Dermatology and Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA