Funding for this research was provided by:
UOC Doctoral School
Article History
Received: 19 March 2020
Accepted: 29 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: This study was approved by the UOC research ethic committee of the Universitat Oberta de Catalunya. All participants signed an informed consent form.
: Not applicable.
: All authors declare no competing interests.