1 Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island.
2 Department of Dermatology, University of Mogi das Cruzes, Mogi das Cruzes, Brazil.
3 Arena Dermatology, Herzliya, Israel.
4 Carolina Marçon Dermatologia, São Paulo, Brazil.
5 Tereza Celidonio Dermatologia, São Paulo, Brazil.
6 The Skin Clinic MD, San Diego, California.
7 Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island. Electronic address: carlos_wambier@brown.edu.