1. Department of Urology, Centre Hospitalier Lyon Sud, Lyon, France
2. Health Services and Performance Research Unit, EA 74 25, Lyon 1 University, Lyon, France
3. Hygée Center, University Hospital of Saint Etienne, Saint Etienne, France
4. INSERM U1123 ECEVE, Paris, France
5. Robert Debré University Hospital, Paris, France
6. Université de Paris, Paris, France