1. Department of Orthopedics Taichung Veterans General Hospital Taichung Taiwan
2. Department of Anesthesia Chung Shan Medical University Hospital Taichung Taiwan
3. Institute of Medicine, College of Medicine Chung Shan Medical University Taichung Taiwan
4. Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine Chung Shan Medical University Hospital Taichung Taiwan
5. School of Medicine Chung Shan Medical University Taichung Taiwan
6. Graduate Institute of Integrated Medicine China Medical University Taichung Taiwan