1. Tianjin Central Hospital of Gynecology Obstetrics; Tianjin China
2. Department of Oncology-Pathology; Cancer Center Karolinska (CCK), Karolinska University Hospital-Solna; Stockholm Sweden
3. Tianjin Medical University; Tianjin China
4. Stanford Genome Technology Center; Stanford University; Palo Alto California
5. Department of Clinical Microbiology; Institute of Laboratory Medicine of Guangdong Medical College; Zhanjiang Guangdong Province China