Li, Jiao https://orcid.org/0000-0002-8137-0382
Gao, Juan-Juan https://orcid.org/0000-0003-0388-6006
Li, Na https://orcid.org/0000-0002-5915-0551
Wang, Ya-Wen https://orcid.org/0000-0001-8763-9912
Funding for this research was provided by:
Clinical Research Award of First Affiliated Hospital of Xi’an Jiaotong University, China (XJTU1AF-CRF-2015-009, XJTU1AF-CRF-2016-011)
Article History
Received: 23 August 2020
Accepted: 29 November 2020
First Online: 24 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study 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. This study was approved by the Institutional Review Board of the First Affiliated Hospital of Xi’an Jiaotong University (XJTU1AF2016LSL-043).
: Not applicable in this research, which is based on retrospective data.