Funding for this research was provided by:
Instituto de Salud Carlos III (ES) and the European Regional Development Fund (PI15/0021)
Received: 27 December 2019
Accepted: 23 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: Ethical approval for the study was granted by the ethical committee of <i>Parc de Salut Mar</i> and <i>Bellvitge Hospital</i>. The basis for participation was voluntary, after reading and signing an informed consent in order to access the questionnaire. A random coding system ensured the anonymity of the participants. Confidentiality and protection of data were guaranteed. Participants also had the right to withdraw from the survey at any moment.
: Not applicable.
: The authors declare that they have no competing interests.