1. Department of Laboratory Medicine, Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing China
2. Guangzhou Kangrun Biotech Co. Ltd. Guangdong China
3. Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing China
4. Central Laboratory, Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing China
5. Department of Pathology and Laboratory Medicine Weill Cornell Medicine New York NY USA
6. Reference Laboratory MedicalSystem Biotechnology Co., Ltd. Ningbo China