1. Department of Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2. Artificial Intelligence and Big-Data Convergence Center, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
3. Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea.
4. Center for Public Healthcare, Gachon University Gil Medical Center, Incheon, Korea.