1. BGI-Diagnostics; Shenzhen China
2. BGI Clinical Laboratories-Shenzen; Shenzhen China
3. BGI Clinical Laboratories-Tianjin; Tianjin China
4. BGI Clinical Laboratories-Wuhan; Wuhan China
5. BGI-Shenzen; Shenzhen China
6. Section of Molecular Disease Biology, Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
7. Fetal Medicine Centre; Paramount Medical Centre; Hong Kong China