1. Department of Hospital Infection‑Control, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, Guangxi 541002, P.R. China
2. Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi 541004, P.R. China
3. Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541004, P.R. China