Liu, Hui
Zhao, Haibin
Yu, Guanling
Li, Mei
Ma, Shuiying
Zhang, Haozhen
Wu, Keliang http://orcid.org/0000-0001-9552-6096
Funding for this research was provided by:
Merck Serono China Research Fund for Fertility
National Research on Development Plan (2016YFC1000604)
National Natural Science Foundation of China (81401266, 81601256)
Article History
Received: 21 September 2017
Accepted: 25 January 2018
First Online: 7 February 2018
Compliance with ethical standards
:
: All the authors declare no conflict of interest with respect to the authorship and/or publication of this article.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the Reproductive Medicine, Shandong University Research Ethics Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.