1. Department of Dermatology, School of Medicine, Stanford University, Stanford, California
2. Lucile Packard Children’s Hospital, Stanford University, Stanford, California
3. Department of Dermatology, School of Medicine, Stanford University, Stanford, California3Now with Department of Dermatology, University of Pennsylvania, Philadelphia
4. Shriners Hospital for Children, Portland, Oregon
5. Department of Dermatology, School of Medicine, Stanford University, Stanford, California5Veterans Affairs Medical Center, Palo Alto, California