1. Department of Urology and Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA
2. University of Pittsburgh Medical Center, Department of Urology, Pittsburgh, PA, USA
3. Genetics Department, University of São Paulo's Medical School at Ribeirão Preto, Brazil
4. Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Patologia, Praça Universitária, s/n, 74605-220, Goiania, GO, Brazil