1. Department of Internal Medicine, Kaohsiung Veterans General Hospital, Tainan Branch, Tainan, Taiwan
2. Division of Pulmonary, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan
3. Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
4. Department of Internal Medicine, Cardinal Tien Hospital and School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
5. Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
6. Medical Research Center, Cardinal Tien Hospital and School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
7. Department of Laboratory Medicine, National Taiwan University Hospital National Taiwan University College of Medicine Taipei, Taiwan