Lang, Chaochun
Article History
Accepted: 14 April 2022
First Online: 22 April 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. A study was approved by the National Ethics Commission of the Ministry of Health of the People’s Republic of China, October 23, 2020, No. 193.
: All participants agreed to participate in this research.
: The authors declare no competing interests.