1. Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
2. Department of Clinical Laboratory, First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
3. Department of Paediatrics, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China