Affiliation: | 1. Department of Clinical Pharmacy, the 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Province 310009, China 2. Geriatric Ward, the 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Province 310009, China 3. Department of gastroenterology, the 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Province 310009, China 4. Department of Pharmaceutical Analysis & Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Zhejiang Province 310058, China |