1. Department of Nuclear Medicine, Clinique Sud Luxembourg, Vivalia, B-6700 Arlon, Belgium
2. Department of Nuclear Medicine, Amiens-Picardy University Hospital, 80054 Amiens, France
3. Department of Urology, Foch Hospital, 92150 Suresnes, France
4. Department of Nuclear Medicine, Foch Hospital, 92150 Suresnes, France
5. Department of Urology and Renal Transplantation, Amiens-Picardy University Hospital, 80054 Amiens, France