1. Institute of Medicine, Chung-Shan Medical University, Taichung, Taiwan.
2. Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan.
3. Department of Industrial and Information Management, National Cheng Kung University, Tainan, Taiwan.
4. NCKU Research Center for Health Data and Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.