1. Division of Hematology and Oncology, Chang Gung Memorial Hospital, Chia-yi, Taiwan
2. Division of Cardiology, Chang Gung Memorial Hospital, Chia-yi, Taiwan
3. College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
4. Graduate Institute of Clinical Medical Sciences, Chang Gung University, Tao-Yuan, Taiwan
5. Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Chia-yi, Taiwan
6. Division of Gastroenterology, Department of Medicine, Chang Gung Memorial Hospital, Chia-yi, Taiwan