1. Department of Respiratory Therapy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
2. Department of Nursing, Tajen University, Pingtung 90741, Taiwan
3. Department of English, National Chengchi University, Taipei 11605, Taiwan
4. Department of Respiratory Care, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
5. Department of Respiratory Therapy, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
6. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
7. Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
8. Department of Respiratory Therapy, Chang Gung University, Taoyuan 33302, Taiwan