Yang, Xiaoyu
Shu, Li
Cai, Lingbo
Sun, Xueping
Cui, Yugui https://orcid.org/0000-0002-2866-6096
Liu, Jiayin
Funding for this research was provided by:
National Natural Science Foundation of China (81370754, 81170559)
State Key Laboratory of Reproductive Medicine (SKLRM-KA201703)
Article History
Received: 4 November 2018
Accepted: 1 February 2019
First Online: 2 March 2019
Compliance with ethical standards
: The ethics committee of the First Affiliated Hospital of Nanjing Medical University approved this study. We obtained informed consent from each participant.
: The authors declare that they have no conflict of interest.