1. USC Institute of Urology and Catherine and Joseph Aresty Department of Urology, Keck School of Medicine, University of Southern California, Los Angeles, California
2. Departments of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
3. University of Verona, Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
4. Prostate Institute of America, Community Memorial Hospital, Ventura, California