Funding for this research was provided by:
National Natural Science Foundation of China (81503478)
Text and Data Mining valid from 2019-11-21
Received: 5 September 2019
Accepted: 4 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the Official Ethics Committee of the Shanghai University of TCM, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.