1. Pharmacy Department of Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, China
2. Shanghai AB Sciex Analytical Instrument Trading Co. Ltd, 518 North Fuquan Road, Changning District, Shanghai, China
3. Heart Center of Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, China