1. Barretos Cancer Hospital, Molecular Oncology Research Center Barretos, São Paulo, BR - 14784-400, Brazil
2. Grupo Oncoclínicas São Paulo, São Paulo, BR - 04538-132, Brazil
3. Barretos Cancer Hospital, Nucleus of Epidemiology & Biostatistics Barretos, São Paulo, BR - 14784-400, Brazil
4. Barretos Cancer Hospital, Pathology Department Barretos, São Paulo, BR - 14784-400, Brazil
5. Barretos Cancer Hospital, Barretos, São Paulo, Brazil - 14784-400, Brazil