1. Department of Emergency Medicine, Taichung Veterans General Hospital, Taichung 40705, Taiwan
2. Department of Computer Science and Information Management, Providence University, Taichung 40301, Taiwan
3. School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
4. Department of Computer Science and Information Engineering, Providence University, Taichung 40301, Taiwan
5. Everlink Occupational Medicine Clinic, Taichung 40760, Taiwan