1. Department of Surgery, University of Western Ontario, London, Ontario, Canada
2. Eli Lilly and Co., Indianapolis, Indiana
3. Department of Clinical Physiopathology, University of Florence, Florence, Italy
4. Department of Urology, Seoul St. Mary's Hospital, The Catholic University of Korea, Korea
5. Urology Service, Hospital Infanta Leonor, Madrid, Spain
6. Center for Reproductive Medicine and Andrology, University Hospital Halle (Saale), Halle, Germany
7. Quality of Life Medical and Research Center, Tucson, Arizona