1. School of Medicine Chung Shan Medical University Taichung Taiwan
2. Department of Medical Education and Research Kaohsiung Veterans General Hospital Kaohsiung Taiwan
3. Department of Emergency Medicine Kaohsiung Veterans General Hospital Kaohsiung Taiwan
4. Department of Allergy, Immunology and Rheumatology Chung Shan Medical University Hospital Taichung Taiwan
5. Institute of Medicine, College of Medicine Chung Shan Medical University Taichung Taiwan
6. Graduate Institute of Integrated Medicine China Medical University Taichung Taiwan