Funding for this research was provided by:
Departament d'Innovació, Universitats i Empresa, Generalitat de Catalunya (2017SGR-1321)
Ministerio de Ciencia, Innovación y Universidades (PSI2015-70966-P; PSI2016-82004-REDT)
Institució Catalana de Recerca i Estudis Avançats (--)
European Regional Development Fund (--)
Received: 4 February 2019
Accepted: 31 July 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: Ethical approval was requested from the Human Research Committee of the University, and approval was waived granted the nature of the study. Written informed consent was obtained from participants.
: Not applicable.
: The authors declare that they have no competing interest associated with this work.