1. Department of Nursing, Taichung Veterans General Hospital, 1650 Taiwan Boulevard Sect. 4, Taichung 40705, Taiwan
2. Cardiovascular Center, Taichung Veterans General Hospital, 1650 Taiwan Boulevard Sect. 4, Taichung 40705, Taiwan
3. Department of Traditional Chinese Medicine, Taichung Veterans General Hospital, 1650 Taiwan Boulevard Sect. 4, Taichung 40705, Taiwan
4. Chander Clinic, No. 128, Sec. 3, Dongxing Rd., Taichung 40356, Taiwan
5. Department of Emergency Medicine, Taichung Veterans General Hospital, 1650 Taiwan Boulevard Sect. 4, Taichung 40705, Taiwan
6. School of Medicine and Institute of Medicine, Chung Shan Medical University, No. 110, Sec. 1, Jianguo N. Rd., Taichung 40201, Taiwan
7. School of Nursing, College of Health Care, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan
8. Department of Nursing, China Medical University Hospital, 2 Xue Shi Road, Taichung 40402, Taiwan