1. Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Urology, Ewha Womans University Mokdong Hospital, Seoul, Korea.
3. ROEN Surgical Inc., Daejeon, Korea.
4. Robotics Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea.
5. Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea.