1. BGI-Shenzhen; Shenzhen China
2. Department of Obstetrics and Gynecology; Southwest Hospital, Third Military Medical University; Chongqing China
3. Department of Obstetrics and Gynecology; The Chinese University of Hong Kong; Hong Kong China
4. Joint Centre with Utrecht University-Genetic Core; The Chinese University of Hong Kong; Hong Kong China
5. Clinical laboratory of BGI Health; Shenzhen China
6. Shenzhen Birth Defect Screening Project Lab; Shenzhen China
7. The Shenzhen Municipal Commission for Development and Reform and Key Laboratory Project, Shenzhen, China
8. Key Laboratory of Cooperation Project in Guangdong Province; Shenzhen China