1. Department of Reproductive Medicine, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, Fujian Province, China
2. Department of Histology and Embryology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
3. Clinical Laboratory Center, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
4. Department of Reproductive Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China