Coordinator, Department of Plastic Surgery, Hospital Moinhos de Vento (HMV), Porto Alegre, RS, Brazil. Electronic address: arrrezende@hotmail.com. Plastic surgeon, Department of Plastic Surgery, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil. Head of the Department of Plastic Surgery, HCPA, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.