Funding for this research was provided by:
Universitat Jaume I (POSDOC/2016/15)
Consejería de Educación y Cultura (FPU-AP2010-5585)
Received: 27 September 2018
Accepted: 17 June 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: All the procedures described in the present study were approved by the ethical committee of the Vall d’Hebron University Hospital of Barcelona. All participants gave their written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.