1. Department of Urology, Stanford University Medical Center, Stanford, California.
2. Department of Urology, Gil Medical Center, Gachon University School of Medicine, Incheon, Republic of Korea.
3. Department of Urology and Dermatology, Stanford University Medical Center, Stanford, California.
4. Department of Urology, Sapienza Rome University, Policlinico Umberto I, Rome, Italy.
5. Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.