1. Department of Surgical Oncology Amaral Carvalho Cancer Hospital Jaú SP Brazil
2. Instituto Nacional de Cancer José Alencar Gomes da Silva—INCA Rio de Janeiro RJ Brazil
3. Department of Clinical Oncology Clínica de Oncologia/Grupo CAM—CLION Salvador Bahia Brazil
4. Departament of Surgical Oncology Hospital Santo Alberto Manaus Amazonas Brazil
5. Clínica Linharense de Oncologia—CLIONCO Linhares ES Brazil
6. Department of Surgical Oncology A.C.CamargoCancer CenterSão Paulo SP Brazil
7. Department of Surgical Oncology Erasto Gaertner Hospital Curitiba Brazil
8. Universidade Federal de Uberlândia—UFU Uberlândia Brazil
9. Surgical Oncology Service Federal District Base Hospital Brasília DF Brazil
10. Department of Surgical Oncology Juiz de Fora Federal University Juiz de Fora Minas Gerais Brazil
11. Department of Surgical Oncology Santa Casa de Porto Alegre/Santa Rita Hospital/Universidade Federal de Ciências da Saúde de Porto Alegre Porto Alegre Brazil