1. Key Laboratory of Molecular Medicine, Ministry of Education, Shanghai Medical College; Fudan University; Shanghai China
2. Prenatal Diagnostic Center, International Peace Maternal and Children's Hospital; Shanghai Jiaotong University; Shanghai China
3. Maternity and Child Health Hospital of Anhui Province; The Maternal and Child Health Clinical College, Anhui Medical University; Hefei China
4. The First Affiliated Hospital of Nanjing Medical University; Nanjing China
5. Xijing Hospital; The Fourth Military Medical College; Xian China
6. Baoji Maternity and Child Health Hospital; Baoji China
7. Berry Genomics C., Limited; Beijing China