1. Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
2. Mission Dermatology Center, Department of Dermatology, Children’s Hospital of Orange County, University of California Irvine, Rancho Santa Margarita, California, USA
3. Pediatric Skin Research, Coral Gables, Florida, USA
4. Division of Dermatology, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
5. Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA