Zhou, Haiyan
Hu, Bailong
Zhaopeng, Zheng
Liu, Jun
Zhong, Qin
Fan, Youyang
Li, Long
Funding for this research was provided by:
National Natural Science Foundation of China (81460254)
the Science and Technology Fund of Guizhou Provincial Health Department (qiankehejichu[2018]1137)
Fund of Guiyang Science and Technology department ([2017]30-10)
Population and Family Planning Commission of Shandong Province (gzwjkj2017-1-016)
Fund of Qiannan Science and Technology department (qiannankeheshezi[2017]73)
Article History
Received: 7 August 2018
Revised: 12 January 2019
Accepted: 3 February 2019
First Online: 26 February 2019
Compliance with ethical standards
:
: The study was approved by the Ethics Committee of the Affiliated Hospital of Guizhou Medical University. Informed consent had been obtained from the patients’ legal guardians.
: Not applicable.
: None.