Zhang, Lifeng
Chen, Wei
Ding, Chang
Hu, Yanjia
Tian, Yuan
Luo, Huiyang
Chen, Jing https://orcid.org/0000-0002-3297-9183
Funding for this research was provided by:
Sichuan Province Science and Technology Support Program
Article History
Received: 11 November 2020
Accepted: 22 December 2020
First Online: 27 February 2021
Declarations
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers' bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
: This study was conducted retrospectively from data obtained for clinical purposes. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individuals included in the study, whenever possible, taking into account the retrospective nature of the study.