1. Institute of Occupational and Environmental Health Sciences, National Taiwan University College of Public Health, Taipei, Taiwan
2. Department of Family Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
3. Nephrology Division, Department of Internal Medicine, National Taiwan University Hospital Yunlin Branch, Yunlin County, Taiwan
4. Department of Public Health, National Taiwan University College of Public Health, Taipei, Taiwan
5. Department of Environmental and Occupational Medicine, National Taiwan University Hospital, Taipei, Taiwan
6. Population Health and Welfare Research Center, National Taiwan University College of Public Health, Taipei, Taiwan