1. Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Hubei University of Medicine, Shiyan, Hubei, China
2. Center for Clinical Laboratories, the Affiliated Hospital of Guizhou Medical University, Guiyang, China
3. Tongren city people’s hospital, Tongren, Guizhou, China
4. Gynecology, Wuhan Children’s Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
5. School of Clinical Laboratory Science, Guizhou Medical University, Guiyang, China