Funding for this research was provided by:
National Natural Science Foundation of China (81672567)
Received: 12 January 2018
Accepted: 8 October 2018
First Online: 19 October 2018
Ethics approval and consent to participate
: <b><i>Statement on ethics approval for animals</i></b>All animal studies were conducted in strict accordance with protocols approved by the Ethics Committee for Animal Experimentation of Fudan University.<b><i>Statement on ethics approval and consent for human tissues</i></b>This study was approved by the ethics committee of Obstetrics and Gynecology Hospital of Fudan University. The serum and ascites of patients used in the study were collected from the hospital tissue bank for the purpose of research. This study did not involve the diagnosis and treatment of patients. Informed consent was waived by the ethics committee of Obstetrics and Gynecology Hospital of Fudan University.
: This study does not contain any individual person’s data in any form (including individual details, images or videos).
: The authors declare that they have no competing interests.
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