1. Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
2. Department of Laboratory Medicine, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
3. Anhui Center for Surveillance of Bacterial Resistance, Hefei, Anhui, China
4. Department of Infectious Diseases, Chaohu Hospital of Anhui Medical University, Hefei, Anhui, China