1. Department of Emergency and Critical Care Medicine, Changhua Christian Hospital , Changhua 500 , Taiwan
2. Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung 402 , Taiwan
3. School of Medicine, Kaohsiung Medical University , Kaohsiung 807 , Taiwan
4. School of Medicine, Chung Shan Medical University , Taichung 402 , Taiwan
5. Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes , Zhunan Township, Miaoli County 35053 , Taiwan
6. Department of Biological Science and Technology, National Yang Ming Chiao Tung University , Hsinchu City 30010 , Taiwan