1. Huadu District Maternal and Neonatal Healthcare Hospital of Guangzhou, Hu Zhong Hospital, Guangzhou, China
2. CapitalBio Genomics Co., Ltd, Dongguan, China
3. Prenatal Diagnostic Center, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
4. Department of Ultrasound, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China