1. Department of Emergency Medicine, Taoyuan General Hospital, Ministry of Health & Welfare, Taoyuan 33004, Taiwan
2. Department of Orthopedic Surgery, Taoyuan General Hospital, Ministry of Health & Welfare, Taoyuan 33004, Taiwan
3. Department of Computer Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
4. Department of Nursing, College of Medicine, National Taiwan University, Taipei 10617, Taiwan
5. Institute of Public Health, National Yang-Ming University, Taipei 11221, Taiwan
6. Department of Neurologic Surgery, Taipei City Hospital, Taipei 10341, Taiwan
7. Department of Computer Science and Communication Engineering, Providence University, Taichung 43301, Taiwan