Funding for this research was provided by:
CHIST-ERA (CHIST-ERA-2012 MACACO)
Institut national de recherche en informatique et en automatique (EMBRACE)
Text and Data Mining valid from 2019-10-12
Received: 21 January 2019
Accepted: 3 September 2019
First Online: 12 October 2019
Ethics approval and consent to participate
: Data collection was approved by the data owners, and written informed consent has been obtained for all study participants.
: The authors declare that they have no competing interests.