1. Postgraduate Program in Interdisciplinary Surgery Science, UNIFESP-Escola Paulista de Medicina, São Paulo, SP 04023-062, Brazil
2. Research and Teaching Unit of Hospital Municipal Dr. Munir Rafful, Volta Redonda, RJ 27277-130, Brazil
3. Hospital de Cancer de Barretos-Fundação Pio XII, Barretos, SP 14784-400, Brazil
4. Genetics Laboratory-GRAAAC, UNIFESP-Escola Paulista de Medicina, São Paulo, SP 04023-062, Brazil