Affiliation: | 1. Department of Dermatology, Federal University of S?o Paulo, , Sao Paulo, 04038‐001 SP, Brazil;2. Dermatology Course, Faculdade de Medicina de Botucatu, School of Medicine of Botucatu, Universidade do Estado de S?o Paulo – UNESP, State University of S?o Paulo, , Botucatu, 18618‐970 SP, Brazil;3. Department of Surgery, Course of Vascular Surgery, UNIFESP, , Sao Paulo, 04024002 SP, Brazil |