Received: 21 June 2018
Accepted: 23 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: The Ethics Committee consulted, Axis Clinicals Latina, waived the need for approval of the protocol on grounds that the study is a documentary research with no risks involved, with no compulsory (official) need for approval at the time of the investigation. Nevertheless, participants were asked if they would voluntarily like to participate through an invitation cover letter sent by email prior to their access to the questionnaire, leaving open the possibility not to collaborate.
: Not applicable.
: The authors declare they have no competing interests.