Xia, Feng
Chang, Xiangyang
Zhang, Yinfa
Wang, Lizhong
Xiao, Fei http://orcid.org/0000-0002-0995-0112
Article History
Received: 6 November 2017
Accepted: 25 May 2018
First Online: 23 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Committee of Jiaxing University Affiliated Women and Children Hospital (Batch No.: 201600328; 10th, Oct, 2016), and written informed consent was obtained from all patients.
: The authors declare that they have no competing interests.
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