James Cheng-Chung Wei1,2,3, Pui-Ying Leong1,2, Guang-Yaw Liu1,2,4. 1. Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan. 2. Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan. 3. Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan. 4. Institute of Biochemistry, Microbiology & Immunology, Chung Shan Medical University Taichung, Taichung, Taiwan.