1. Institute of Medicine Chung Shan Medical University Taichung Taiwan
2. Department of Nursing Chung Shan Medical University Taichung Taiwan
3. Department of Nursing Chung Shan Medical University Hospital Taichung Taiwan
4. Drug Testing Center, Department of Clinical Laboratory Chung Shan Medical University Hospital Taichung Taiwan
5. School of Medicine Chung Shan Medical University Taichung Taiwan
6. Division of Allergy, Asthma and Rheumatology, Department of Pediatrics Chung Shan Medical University Hospital Taichung Taiwan