Zhang, Lijuan
Cao, Haixia
Zhang, Qiuxiang
Fu, Ting
Yin, Rulan
Xia, Yunfei
Li, Liren
Gu, Zhifeng
Funding for this research was provided by:
the Chinese National Natural Science Foundation (81671616 and 81471603)
Jiangsu Provincial Commission of Health and Family Planning Foundation (H201317 and H201623)
Science Foundation of Nantong City (MS32015021, MS2201564 and MS22016028)
Science and Technology Foundation of Nantong City (HS2014071 and HS2016003)
the College graduate research and innovation of Jiangsu Province (KYZZ15_0353 and KYZZ16_0358)
Article History
Received: 18 May 2017
Accepted: 20 June 2018
First Online: 28 July 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Affiliated Hospital of Nantong University, and written informed consents were obtained from all of the participants, according to the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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