Funding for this research was provided by:
Central Plains Thousand People Program (ZYQR201810159)
Qihuang Scholars Award of the State TCM Academic Leader Program
Article History
Received: 19 February 2020
Accepted: 18 January 2021
First Online: 30 January 2021
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.