1. Department of Internal Medicine, Southwest University Hospital, Chongqing 400715, P.R. China
2. Department of Pharmacy, Southwest University Hospital, Chongqing 400715, P.R. China
3. College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P.R. China
4. Department of Public Health, Southwest University Hospital, Chongqing 400715, P.R. China
5. Health Management Center, Southwest University Hospital, Chongqing 400715, P.R. China