1. DEEPNOID Inc., Seoul, Korea.
2. Department of Urology, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gyeonggi-do, Korea.
3. Department of Urology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
4. Department of Urology, Cho Ray Hospital, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam.