1. Department of Life Science, Tunghai University, Taichung, Taiwan.
2. Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung, Taiwan.
3. Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan.
4. Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan.
5. The Environmental Analysis Laboratory, Taoyuan, Taiwan.