1. Department of Urology, Hôpital Pontchaillou, Rennes, France
2. Department of Biostatistics, Hôpital Pontchaillou, Rennes, France
3. Laboratory of Molecular Biology, Hôpital Pontchaillou, Rennes, France
4. Department of Pathology, Hôpital Pontchaillou, Rennes, France
5. Department of Urology, CHU of Saint-Etienne, Saint-Etienne, France