Zhang, Mudan
Yu, Siwei
Yin, Xuntao
Zeng, Xianchun
Liu, Xinfeng
Shen, ZhiYan
Zhang, Xiaoyong
Huang, Chencui
Wang, Rongpin http://orcid.org/0000-0001-7587-4181
Funding for this research was provided by:
Guizhou Science and Technology Project (QKHZC[2020]4Y002, QKHPTRC[2019]5803)
Guiyang Science and Technology Project (ZKXM[2020]4)
Guizhou Science and Technology Department Key Lab. Project (QKF[2017]25)
Beijing Medical and Health Foundation (YWJKJJHKYJJ-B20261CS)
Article History
Received: 15 December 2020
Accepted: 13 May 2021
First Online: 8 June 2021
Declarations
:
: Because of its retrospective nature, the need to obtain informed consent from the patients was waived.
: All the 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. Approval was obtained from the ethics committee of Guizhou provincial people’s hospital (2020,NO.01).
: The authors declare that they have no competing interests. The conflict of interest forms of all the authors had been submitted along to other files.
: The authors grant the publisher the sole and exclusive license of the full copyright in the publication.