1. Brazilian Society of Plastic Surgeons and American Society of Plastic Surgeons, Itajaí, Santa Catarina, Brazil
2. Brazilian Society of Plastic Surgeons; Londrina, Paraná, Brazil
3. Brazilian Society of Plastic Surgeons, Maringá, Paraná, Brazil
4. Universidade Nove de Julho, Sao Paulo, Brazil and Brazilian Society of Plastic Surgery.