1. Prenatal Diagnosis Center, Hospital Affiliated to Guizhou Medical University, Guiyang 550004, Guizhou, China
2. The First Affiliated Hospital of Jinan University, Guangdong 510632, Guangzhou, China
3. Department of Infectious Diseases, Hospital Affiliated to Guizhou Medical University, Guiyang 550004, Guizhou, China
4. Department of Eugenics and Genetics, Guiyang Maternal and Child Health-Care Hospital, Guiyang 550003, Guizhou, China
5. Department of Interventional Radiology, Cancer Hospital of Guizhou Medical University, Guiyang 550004, Guizhou, China