1. Department of Dermatology; University of São Paulo; São Paulo Brazil
2. Division of Dermatology; Baylor Scott and White Medical Center; Temple TX USA
3. Department of Dermatology; FMB-Unesp; Botucatu SP Brazil
4. Unidade de Pesquisa em Saúde Coletiva (UPESC) da FMB-Unesp; Botucatu SP Brazil