1. Cardiovascular Medical Center, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC
2. Department of Critical Care Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC
3. School of Medicine, National Yang Ming Chaio Tung University, Taipei, Taiwan, ROC
4. Division of Pulmonary Medicine, Department of Internal Medicine, Cheng-Hsin General Hospital, Taipei, Taiwan, ROC
5. Department of Medicine, MacKay Medical College and Cardiovascular Center, MacKay Memorial Hospital, New Taipei, Taiwan, ROC
6. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ROC
7. Department of Internal Medicine, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan, ROC
8. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan, ROC
9. Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, ROC
10. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan, ROC
11. Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
12. Department of Physical Therapy, Fooyin University, Kaohsiung, Taiwan, ROC
13. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan, ROC
14. Department of Medicine, National Taiwan University Cancer Center, Taipei, Taiwan, ROC
15. Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, ROC
16. Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC