Yun-Tzu Liang1, Pui-Ying Leong2,3, James Cheng-Chung Wei4,3,5. 1. School of Medicine, Chung Shan Medical University. 2. Department of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital. 3. Institute of Medicine, Chung Shan Medical University. 4. Department of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital; jccwei@gmail.com. 5. Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.