1. Andros Recife, Recife, Brazil. Department of Urology, Instituto de Medicina Integral Prof. Fernando Figueira, Recife, Brazil. Departamento de Cirurgia Universidade Federal de Pernambuco Recife Brazil
2. Instituto de Medicina Integral Prof. Fernando Figueira Recife Brazil
3. Department of Surgery Universidade Federal de Pernambuco Recife Brazil
4. Department of Fundamental Chemistry Universidade Federal de Pernambuco Recife Brazil
5. Department of Radiology Real Hospital de Beneficiência Portuguesa Recife Brazil