1. Department of Laboratory Medicine, Hunan Normal University School of Medicine, Changsha, Hunan 410013, P.R. China
2. Department of Laboratory Diagnosis, Changsha Kingmed Center for Clinical Laboratory, Changsha, Hunan 410221, P.R. China
3. Department of Laboratory Diagnosis, Guangxi Kingmed Diagnostics Group Co., Ltd., Nanning, Guangxi 530009, P.R. China