1. Departments of Dermatology, and
2. Pediatrics, University of California, San Francisco, San Francisco, California;
3. State of California, Department of Public Health, Richmond, California;
4. Department of Dermatology, Stony Brook University, Stony Brook, New York;
5. Department of Pathology and Laboratory Medicine, North Shore-Long Island Jewish Health System Laboratories, Lake Success, New York;
6. Pediatrics, New York University School of Medicine, New York, New York;
7. Pediatric Dermatology, Children’s Hospital Boston, Boston, Massachusetts;
8. Divisions of Dermatology, Pediatrics and Internal Medicine, Washington University School of Medicine, St. Louis Children’s Hospital, St. Louis, Missouri;
9. Dept of Pediatrics, Division of Dermatology, The Hospital for Sick Children, Toronto, Ontario, Canada;
10. Pediatrics Private Practice, San Francisco, California;
11. Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia; and
12. Dermatology and Pediatrics, Yale University School of Medicine, New Haven, Connecticut