1. Department of Infection Management, Huaihua Cancer Hospital, Huaihua, Hunan 418000, P.R. China
2. Department of Medical Quality Management, Huaihua Cancer Hospital, Huaihua, Hunan 418000, P.R. China
3. Department of Clinical Pharmacy, Huaihua Cancer Hospital, Huaihua, Hunan 418000, P.R. China
4. Microbiology Laboratory, Huaihua Cancer Hospital, Huaihua, Hunan 418000, P.R. China