1. Division of Allergy, Immunology and Rheumatology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin 62247, Chiayi, Taiwan
2. School of Medicine, Tzu Chi University, Hualien City 97071, Taiwan
3. Department of Biomedical Sciences, National Chung Cheng University, Minxiong, Chiayi 62130, Taiwan