Wang, Lize
He, Yingjian
Li, Jinfeng
Wang, Tianfeng
Xie, Yuntao
Fan, Zhaoqing
Ouyang, Tao http://orcid.org/0000-0002-9662-7638
Article History
Received: 29 February 2020
Accepted: 20 July 2020
First Online: 26 July 2020
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: A broad informed consent was obtained from all individual participants included in the study. However, due to the retrospective nature of the study, specified informed consent was waived.