Li, Xiang
Zhang, Hanwen
Zhou, Yu
Cheng, Ruochuan
Article History
Received: 11 February 2021
Accepted: 19 April 2021
First Online: 30 April 2021
Declarations
:
: This study was approved by Ethics Committee of First Affiliated Hospital of Kunming Medical University. The committee’s reference number is (2017) L17. All procedures performed in the study involving human participants were in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments.
: Not applicable.
: The authors declare that they have no competing interests.