1. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital; China Medical University, Taichung, Taiwan
2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
3. China Medical University, Taichung, Taiwan
4. Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
5. Department of Pathology, China Medical University Hospital, Taichung, Taiwan
6. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Tungs’ Taichung MetroHarbor Hospital, Taichung, Taiwan