1. The First Cardiovascular Division, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taipei, Taiwan
2. Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taipei, Taiwan
3. Division of Pathology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taipei, Taiwan
4. The First Cardiovascular Division, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taipei, Taiwan,