[1] Chang Gung University College of Medicine,Division of Pulmonary and Critical Care Medicine and Department of Respiratory Therapy, Kaohsiung Chang Gung Memorial Hospital
[2] Chang Gung Institute of Technology,Department of Respiratory Care
[3] National Yang-Ming University,Chest Department, Taipei Veterans General Hospital, Shipai Road, Taipei 112, and Institute of Clinical Medicine, School of Medicine
[4] Taichung Veterans General Hospital,Division of Critical Care & Respiratory Therapy, Department of Internal Medicine
[5] National Taiwan University Hospital,Department of Internal Medicine
[6] National Cheng-Kung University Hospital,Medical Intensive Care Unit, Department of Internal Medicine
[7] China Medical University Hospital,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine
[8] Xiamen Chang Gung Hospital,Division of Pulmonary and Critical Care Medicine