National Taiwan University - Institute of Epidemiology and Preventive Medicine, National Taiwan University - Institute of Epidemiology and Preventive Medicine, National Taiwan University - Institute of Epidemiology and Preventive Medicine, National Taiwan University - Institute of Epidemiology and Preventive Medicine, Institute of Health Behaviors and Community Sciences, and Department of Public Health, College of Public Health, National Taiwan University, National Taiwan University - Institute of Health Policy and Management, National Taiwan University - Institute of Epidemiology and Preventive Medicine and Taiwan Ministry of Health and Welfare - Taiwan Centers for Disease Control