1. Department of Urology, CHU La Miletrie, Poitiers, France
2. CHU, Pointre-à-Pitre, Guadeloupe, France
3. CHU Henri Mondor, Créteil, France
4. Pontoise Hospital, Pontoise, France
5. CHU, Nancy, France
6. CHU, Toulouse, France
7. Clinique Mutualiste, St-Etienne, France