1. Prenatal Diagnosis Center, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
2. Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China
3. Department of Hepatobiliary Surgery, The First Affiliated Hospital, Yangtze University, Jingzhou, 434023, China
4. Department of Pathology, Ningxia Medical University, Yinchuan, Ningxia, 750001, China