1. Department of Urology, Seoul National University Hospital, Seoul, Korea.
2. Department of Urology, Pusan National University Yangsan Hospital, Yangsan, Korea.
3. Department of Creative IT Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea.
4. Department of Prototype Production, Osong Medical Innovation Foundation, Cheongju, Korea.
5. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.