1. Department of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan
2. Division of Pulmonary and Critical Care, Department of Internal Medicine, Saint Paul’s Hospital, Taoyuan City, Taiwan
3. Department of Thoracic Medicine, Taipei Medical University Hospital, Taipei Medical University, School of Medicine, Taipei, Taiwan
4. Department of Anatomic Pathology, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan City, Taiwan
5. Department of Respiratory Therapy, Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taoyuan, Taiwan