[1] Oncol & Inst, Sao Paulo, Brazil
[2] CPO Porto Alegre, Porto Alegre, RS, Brazil
[3] Inst Amer, Rio De Janeiro, Brazil
[4] Hosp Sirio Libanes, Sao Paulo, SP, Brazil
[5] Inst Mario Penna, Belo Horizonte, MG, Brazil
[6] Oncoclin BA & Hosp Santa Izabel, Salvador, BA, Brazil
[7] Univ Fed Nucl Pesquisa Oncol, Belem, Para, Brazil
[8] BP A Beneficencia Portuguesa Sao Paulo, Sao Paulo, SP, Brazil
[9] Latin Amer Cooperat Oncol Grp LACOG, Porto Alegre, RS, Brazil
[10] Hosp Canc Barretos, Barretos, Brazil