1 Department of Internal Medicine, Division of Chest Medicine, Pingtung Veterans General Hospital, Pingtung, Taiwan; Mei-Ho University, Pingtung, Taiwan.
2 Department of Family Medicine, Pingtung Veterans General Hospital, Pingtung, Taiwan; Mei-Ho University, Pingtung, Taiwan.
3 Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Nursing, Chung Shan Medical University, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan; Office of Research and Development, Asia University, Taichung, Taiwan. Electronic address: [email protected].