Funding for this research was provided by:
Center for Industrial Technological Development of Spain and the European Regional Development Fund (EXP - 00091195 / ITC-20161137)
Department of Culture, Education and University Regulation (2018-PU054)
Text and Data Mining valid from 2019-12-01
Received: 7 November 2018
Accepted: 26 October 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: The human rights and the dignity of the study participants will be protected in accordance with the Declaration of Helsinki. The study procedures have been approved by the Bioethics Committee of the University of Santiago de Compostela (Spain). The confidentiality of all participants will be guaranteed. Participants will have to give their written informed consent, and the informed consent form has been approved by the Bioethics Committee of the University of Santiago de Compostela (Spain).
: Not applicable.
: The authors declare that they have no competing interests.