Xie, Juan
Wang, Xiaoqing
Zhang, Yiyuan
Li, Hailun
Xu, Yong
Zheng, Donghui
Funding for this research was provided by:
Supported Project of Jiangsu Post-doctoral Research Grant Program (2018K078B)
Article History
Received: 26 November 2018
Accepted: 10 July 2019
First Online: 5 August 2019
Ethics approval and consent to participate
: All procedures performed in studies 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. The study was approved by The Affiliated Huai’an Hospital of Xuzhou Medical University (Approval No HEYLL201637). Informed consent was waived by the local ethics committee due retrospective nature of analysis with no impact on health outcome.
: Not applicable
: The authors declare that they have no competing interests.