Ma, Yang
Wen, Tong
Xing, Dianguo
Zhang, Yan
Funding for this research was provided by:
The Western Area Health Initiative (WPCHN1409378)
Chongqing Municipal Education Commission (KJ1600227)
Chongqing Social Science Planning Project (2019YBGL057)
Article History
Received: 4 January 2021
Accepted: 5 April 2021
First Online: 19 April 2021
Declarations
:
: Not applicable
: Not applicable
: The authors declare that they have no competing interests.