1. Department of Public Health, Tzu Chi University, Hualien, Taiwan;
2. Division of Plastic Surgery, Department of Surgery and Trauma Center, Hualien TzuChi Hospital, Buddhist TzuChi Medical Foundation, Hualien, Taiwan;
3. NCKU Research Center for Health Data and Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan