Hoyos, J.
Guerras, J. M.
Koutentakis, K.
de la Fuente, L.
Pulido, J.
Sordo, L.
Vallejo, F.
Belza, M. J.
Funding for this research was provided by:
Instituto de Salud Carlos III (PI17CIII/00037)
Article History
Received: 26 March 2020
Accepted: 26 November 2020
First Online: 4 December 2020
Ethics approval and consent to participate
: The study was approved by the Carlos III health institute ethical committee (CEI PI 70_2015). Informed consent was written and candidates were asked to check on an “I agree to participate button” before having access to the questionnaire.
: Not applicable.
: Jose Pulido and Luis Sordo are member of the editorial board of this journal. The rest of the authors declare that they have no competing interests.