1. Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
2. Department of Nursing, Chung Shan Medical University, Taichung 40201, Taiwan
3. Department of Nursing, Chung Shan Medical University Hospital, Taichung 402367, Taiwan
4. Drug Testing Center, Department of Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 402367, Taiwan
5. School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
6. Division of Allergy, Asthma and Rheumatology, Department of Pediatrics, Chung Shan Medical University Hospital, Taichung 402367, Taiwan