1. Department of Politics and IR, University of Oxford, Oxford, United Kingdom.
2. Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
3. Artificial Intelligence and Big-Data Convergence Center, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
4. Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea.