Funding for this research was provided by:
Agence Nationale de la Recherche (ANR-10-AIRT-05, ANR-15-IDEX-02)
Text and Data Mining valid from 2019-06-21
Received: 13 February 2019
Accepted: 17 June 2019
First Online: 21 June 2019
Ethics approval and consent to participate
: The participants gave informed written consent for their participation in the study in accordance with the guidelines from the regional research ethics committee of Northern Denmark.
: Not applicable.
: The authors declare that they have no competing interests.