Li, Jianwen
Mai, Zhifeng
Zhang, Zhihong
Cui, Jiamang
Yang, Mingjie
Ma, Xia
Wang, Yan http://orcid.org/0000-0002-0579-7456
Article History
Received: 21 November 2019
Accepted: 29 January 2020
First Online: 11 February 2020
Compliance with ethical standards
:
: All authors report no conflicts of interest.
: This study was approved by the Ethic Committee of the Second People’s Hospital of Shizuishan, and all patients provided written informed consent.