1. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital Kaohsiung Medical Center, Kaohsiung
2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung
3. Division of Pulmonary Medicine, Department of Internal Medicine, E-Da Hospital/I-Shou University, Kaohsiung
4. Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung
5. Division of Chest Medicine, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan