Sun, Xiaolu
Liu, Kai
Zhao, Yan
Zhang, Tianhua
Article History
Received: 20 October 2021
Accepted: 28 February 2022
First Online: 19 March 2022
Declarations
:
: The experiments were authorized by the academic ethics committee of Shaanxi Provincial Institute for Tuberculosis Control and Prevention. All procedures were strictly implemented by the code of ethics. All subjects involved were fully informed of the objective of the study and signed informed consent before sampling. We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declared that they have no competing interests.