1. Department of Thoracic Medicine Chang Gung Memorial Hospital Chang Gung University School of Medicine Taipei Taiwan
2. Department of Thoracic Medicine Division of Oncology and Interventional Bronchoscopy Chang Gung Memorial Hospital Taipei Taiwan
3. Department of Thoracic Medicine Division of Airway Diseases Chang Gung Memorial Hospital Taipei Taiwan
4. Healthcare Center Chang Gung Memorial Hospital Taipei Taiwan