Tian, Caixia
Li, Lian
Liu, Tanxin
Qu, Xin
Qiu, Yurong
Funding for this research was provided by:
Foundation of healthy and family planning commission of Hubei province (Grant No. WJ2017M217)
Article History
Received: 15 October 2018
Accepted: 10 April 2019
First Online: 21 June 2019
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 research committee (the Ethics Committee of Hubei University of Medicine) and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.