1. Department of Medical Affairs, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
2. Department of Pharmacology, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
3. Department of Clinical Pharmacology, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
4. Department of Nursing, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China