Li, Kui
Zou, Yu
Sun, Jin
Wen, Hong
Funding for this research was provided by:
Scientific Research Project of the Health and Family Planning Commission of Zhejiang Province (2014KYA247)
Scientific Research Project of Zhejiang Provincial Education Department (Y201534762)
Article History
Received: 4 January 2018
Revised: 21 April 2018
Accepted: 3 May 2018
First Online: 5 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Yu Zou.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • retrospective• case-control study• performed at one institution