1. Department of Geratology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
2. Assisted Reproductive Center, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi 330006, P.R. China
3. Department of Clinical Medicine, Jiangxi Health Vocational College, Nanchang, Jiangxi 330052, P.R. China
4. Obstetrics and Gynecology, Yichun Maternal and Child Health Hospital, Jiangxi 336000, P.R. China
5. Jiangxi Key Laboratory of Molecular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
6. Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China