Funding for this research was provided by:
National Natural Science Foundation of China (71373160)
Health and Family Planning Commission of Sichuan Province (15GWZK0901)
Project introduction Shanghai University of traditional Chinese Medicine (Gaoyuan Gaofeng Clinical Medicine Grant)
Text and Data Mining valid from 2020-02-28
Received: 19 October 2018
Accepted: 23 February 2020
First Online: 28 February 2020
Ethics approval and consent to participate
: This economic analysis was based on a literature review and modelling techniques; this study did not require approval by an Institutional Research Ethics Board.
: The authors declare that they have no competing interests.
: Not applicable.