Xu, Nan
Peng, Kun
Dai, Shun
Zhang, Lei
Yu, Hong
Dai, Gonghua
Jin, Liqing
Hu, Bo
Tang, Guangyu
Funding for this research was provided by:
Foundation of Shanghai Municipal Commission of Health and Family Planning (201540232)
Shanghai Science and Technology Commission, International cooperation and exchange Project (16410722200)
Article History
Received: 14 November 2018
Revised: 19 May 2019
Accepted: 7 June 2019
First Online: 1 July 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Guangyu Tang.
: The authors declare that they have no conflict of interest.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• diagnostic or prognostic study• performed at one institution