1. Department of Health Convergence, Ewha Womans University, Seoul, Korea.
2. Epidemiology and Health Economics, Greater China & Intercontinental Region, Medical Affairs, GlaxoSmithKline plc. Vaccines, Singapore.
3. Department of Preventive Medicine, Seoul National University, Seoul, Korea.
4. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
5. Analysis Group Inc., Boston, MA, USA.
6. Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea.
7. Department of Prevention and Management, Inha University Hospital, School of Medicine, Inha University, Incheon, Korea.
8. Real World Evidence and Epidemiology, GlaxoSmithKline plc., Collegeville, PA, USA.
9. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.