1. From the Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan (AM-FY, L-SC, C-CH, and TH-HC); the Taiwan Association of Medical Screening. Taipei, Taiwan (AM-FY, L-SC, H-MW, C-CH, and TH-HC); the Health Bureau of Keelung City, Keelung City, Taiwan (Y-HC); the Graduate Institute of Epidemiology, College of Public Health, National Taiwan University,