Wen, Hong
Hu, Ying
Chen, Lu
Zhao, Li
Yang, Xinyun
Article History
Received: 28 August 2019
Accepted: 27 November 2019
First Online: 13 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This research was supervised and approved by the ethics committee of The Women’s Hospital, School of Medicine, Zhejiang University, China.
: All participators were informed and written consent prior to the collection of samples.