Funding for this research was provided by:
Strategic Priority Research Program of Chinese Academy of Sciences (No.XDA20050204,XDA19050301,and XDA19050303)
The 13th Five-year Informatization Plan of Chinese Academy of Sciences (No.XXH13506)
The National Public Scientific Data Center for Basic Sciences
Text and Data Mining valid from 2020-01-30
Received: 11 September 2019
Accepted: 13 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: The authors asked for permission from the local authorities and the people interviewed to carry out the study.
: The people interviewed were informed about the study’s objectives and the eventual publication of the information gathered, and they were assured that the informants’ identities would remain undisclosed.
: The authors declare that they have no competing interests.