1. Department of Dermatology Centro Universitário Saúde ABC Santo André São Paulo Brazil
2. Department of Dermatology and Radiotherapy Faculdade de Medicina da Unesp Botucatu São Paulo Brazil
3. Department of Dermatology Mayo Clinic Jacksonville Florida USA
4. Department of Pathology and Forensic Medicine Faculdade de Medicina de Ribeirão Preto da USP São Paulo Brazil