1. Department of Dermatology and Cutaneous Surgery University of Miami Miller School of Medicine Miami FL U.S.A.
2. Department of Dermatology Mount Sinai School of Medicine New York NY U.S.A.
3. Department of Dermatology and Dermatologic Surgery Medical University of South Carolina Charleston SC U.S.A.
4. Department of Dermatology Columbia University New York NY U.S.A.