1. Keck School of Medicine of USC University of Southern California Los Angeles California USA
2. David Geffen School of Medicine University of California Los Angeles Los Angeles California USA
3. College of Medicine University of Arizona Tucson Arizona USA
4. Division of Dermatology University of California Los Angeles California USA
5. Department of Dermatology University of Southern California Los Angeles California USA
6. Division of Dermatology Children's Hospital of Los Angeles Los Angeles California USA
7. Department of Dermatology University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
8. Department of Dermatology University of Arkansas for Medical Sciences Little Rock Arkansas USA