Cárdenas-Valladolid, J.
López-de Andrés, A.
Jiménez-García, R.
de Dios-Duarte, M. J.
Gómez-Campelo, P.
de Burgos-Lunar, C.
San Andrés-Rebollo, F. J.
Abánades-Herranz, J. C.
Salinero-Fort, M. A.
Funding for this research was provided by:
The Instituto de la Salud Carlos III. Madrid/Spain (PI07/0865)
Foundation for Biomedical Research and Innovation of Primary Care FIIBAP
Article History
Received: 30 June 2016
Accepted: 21 June 2018
First Online: 24 July 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of the Committee on Human Research of Ramón y Cajal Hospital (Madrid). The Committee for the Protection of Human Subjects determined that no informed consent was necessary for this type of study.
: Not applicable, as the manuscript does not contain any individual person’s data of any kind.
: The authors declare that they have no competing interests.
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