1. Department of Dermatology; Instituto de Dermatologia Professor Rubem David Azulay; Santa Casa de Misericórdia do Rio de Janeiro; Rio de Janeiro Brazil
2. Department of Dermatology; Universidade de São Paulo; São Paulo Brazil
3. Department of Dermatology; Instituto Nacional de Câncer (INCA); Rio de Janeiro Brazil
4. Department of Dermatology and Cutaneous Surgery; University of Miami Miller School of Medicine; Miami FL U.S.A.