1. Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.
2. Department of Public Health, Korea University, Seoul, Korea.
3. Department of Biohealth Regulatory Science, School of Pharmacy, Sungkyunkwan University, Suwon, Korea.
4. Department of Health Convergence, College of Science and Industry Convergence, Ewha Womans University, Seoul, Korea.
5. Department of Biostatistics, Korea University College of Medicine, Seoul, Korea.
6. Department of Obstetrics & Gynecology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea.
7. Department of Pediatrics, Korea University Anam Hospital, Seoul, Korea.