1. Artificial Intelligence and Big-Data Convergence Center, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
2. Department of Big Data Strategy, National Health Insurance Service, Wonju, Korea.
3. Department of Preventive Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
4. Department of Preventive Medicine, University of Ulsan College of Medicine, Seoul, Korea.
5. Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.