Funding for this research was provided by:
scientific research project of sichuan provincial health commission (19PJ151)
luzhou people's government-southwest medical university joint project (2019LZXNYDZ04)
Article History
Received: 26 June 2021
Accepted: 15 December 2021
First Online: 20 January 2022
Declarations
:
: This study did not involve human participants.
: This study did not involve human participants<b>.</b>
: The authors declare no competing interests.