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Article History

Received: 12 June 2020

Accepted: 29 December 2020

First Online: 28 January 2021

Ethics approval and consent to participate

: GUARANTEE OF VOLUNTARY PARTICIPATION: All participants were offered voluntary participation as well as withdrawal from the study if they deemed it appropriate.INFORMED CONSENT: All participants voluntarily signed the “Informed Consent Form” prior to the completion of any study-specific assessment and intervention, having previously read the “Participant Information Sheet” which presented the project in detail.CLINICAL RESEARCH ETHICS COMMITTEE:The study was carried out after the authorisation of the Bioethics Committee for the experimental research of Salamanca Institute for Biomedical Research (IBSAL Salamanca) of the University Assistance Complex of Salamanca with reference number 000263, prior informed consent of the study participants and in accordance with the Declaration of Helsinki. The participants were informed of the objectives of the project and the risks and benefits of the explorations to be carried out (Informed Consent). Similarly, the confidentiality of the participants participating in the study was guaranteed at all times in accordance with the provisions of Organic Law 3/2018, of December 5, on the Protection of Personal Data and the guarantee of digital rights, and Regulation (EU) 2016/679 of the European Parliament and Council of April 27, 2016 on Data Protection (RGPD), and under the conditions set out in Law 14/2007 on biomedical research.

: Not applicable, no individual person’s data in any form is visible in the paper.

: None to declare. The authors declare that they have no competing interests.