Chen, Jian-Shu
Pei, Ying
Li, Cai-e
Li, Ning-yin
Guo, Tao
Yu, Jing http://orcid.org/0000-0002-6023-359X
Funding for this research was provided by:
National Natural Science Foundation of China (81960086)
Article History
Received: 5 March 2020
Accepted: 20 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: All patients obtained written informed consent before participating in the study. The study was approved by the ethical committee of Second Hospital of Lanzhou University.
: Not applicable.
: The authors declare that they have no competing interests.