1. Prenatal Diagnostic Center, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
2. Capitalbio Genomics Co., Ltd, Dongguan, China
3. Prenatal Diagnosis Center, Dongguan Women and Children Healthcare Hospital, Dongguan, China
4. Department of Ultrasound, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China