Yuan, Tao
Ren, Guoli
Hu, Xianning
Geng, Lina
Li, Xueqing
Xia, Shuang
Quan, Guanmin https://orcid.org/0000-0002-7828-3050
Funding for this research was provided by:
Institut National des Sciences de l'Univers, Centre National de la Recherche Scientifique (81871342)
Key Project in Medical Science Research of Hebei Province (20170615, 20180362)
Article History
Received: 20 March 2019
Accepted: 22 July 2019
First Online: 7 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The Ethics Committee of The Second Hospital of Hebei Medical University approved this retrospective study. Due to the retrospective nature of this study, the informed written consent was waved.