Yang, Kai
Zhang, Fan
Han, Peng
Wang, Zhuo-zhong
Deng, Kui
Zhang, Yuan-yuan
Zhao, Wei-wei
Song, Wei
Cai, Yu-qing
Li, Kang http://orcid.org/0000-0002-2960-3169
Cui, Bin-bin
Zhu, Zheng-Jiang
Funding for this research was provided by:
National Natural Science Foundation of China (81773551, 81473072)
Health and Family Planning Commission of Heilongjiang Province Scientific Program (2014-349)
Article History
Received: 13 January 2018
Accepted: 1 August 2018
First Online: 16 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the Ethical Standards of the Institutional and/or National Research 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 the study.