1. Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2. Department of Urology, Seoul National University Hospital, Seoul, Korea.
3. Department of Urology, Pusan National University Hospital, Medical Research Institute, Pusan National University School of Medicine, Busan, Korea.
4. Eli Lilly Korea, Seoul, Korea.
5. Eli Lilly Japan K.K., Kobe, Japan.
6. Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA.