Sun, Guifang
Lyu, Bei
Article History
Received: 10 September 2022
Accepted: 31 October 2022
First Online: 14 November 2022
Declarations
:
: 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. The study was approved by the Ethics Committee of Graduate University of Mongolia (No. 2022-01-26). Informed consent was obtained from all individual participants included in the study.
: No potential conflict of interest was reported by the author.