1. Scientific Research Center, Guilin Medical University, Guilin, Guangxi 541100, P.R. China
2. College of International Education, Guilin Medical University, Guilin, Guangxi 541100, P.R. China
3. College of Pharmacy, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
4. Department of Pathology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
5. Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
6. School of Public Health, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
7. Genetic and Metabolic Central Laboratory, The Maternal and Children Health Hospital of Guangxi, Nanning, Guangxi 530005, P.R. China