1. Puli Christian Hospital, Nantou County, Taiwan.
2. Department of Public Health, National Cheng Kung University College of Medicine, Tainan, Taiwan.
3. College of Medicine, Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan.
4. Department of Information Management, National Chi Nan University College of Management, Puli, Taiwan.
5. Department of Surgery, An Nan Hospital, China Medical University, Tainan, Taiwan.
6. Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, University of New South Wales, Sydney,New South Wales, Australia.