1. Department of Clinical Laboratory, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha 410004, China
2. Medical Research Center, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha 410004, China
3. Department of Science and Education, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha 410004, China