1. Department of Internal Medicine National Cheng Kung University Hospital College of Medicine National Cheng Kung University Tainan Taiwan
2. Department of Neurology Cognition and Aging Center Kaohsiung Chang Gung Memorial Hospital Chang Gung University College of Medicine Kaohsiung Taiwan
3. Department of Public Health College of Medicine National Cheng Kung University Tainan Taiwan
4. Department of Public Health College of Health China Medical University Taichung Taiwan
5. Institute of Clinical Medicine College of Medicine National Cheng Kung University Tainan Taiwan
6. Department of Environmental Health T.H. Chan School of Public Health Harvard University Boston Massachusetts USA