1. Department 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. Institute of Medicine Chung Shan Medical University Taichung Taiwan
5. Department of Nursing Chung Shan Medical University Taichung Taiwan
6. Department of Allergy, Immunology & Rheumatology Chung Shan Medical University Hospital Taichung Taiwan
7. Graduate Institute of Integrated Medicine China Medical University Taichung Taiwan