1. Centre for Medical Genetics & Hunan Key Laboratory of Medical Genetics School of Life Sciences Central South University Changsha Hunan China
2. Hunan Jiahui Genetics Hospital Changsha Hunan China
3. Prenatal Diagnosis Centre of Hunan Province Hunan Provincial Maternal and Child Health Care Hospital Changsha Hunan China
4. Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region Nanning Guangxi Zhuang Autonomous Region China
5. Berry Genomics Corporation Beijing China
6. Prenatal Diagnosis Centre Guangdong Women and Children Hospital Guangzhou Guangdong China