Funding for this research was provided by:
Centro de Investigación Médica Aplicada, Universidad de Navarra (INVICTUS plus -RD12/0014/0009-)
Received: 25 October 2019
Accepted: 10 February 2020
First Online: 26 February 2020
Ethics approval and consent to participate
: All protocols were approved by the Committee for Medical and Research Ethics, <i>Comité de ética de la Investigación</i> of the University of Navarra. Project: 058/2012. Participants gave written informed consent. Samples from patients included in the study were provided by the Biobank of the University of Navarra and were processed following standard operating procedures approved by the Research Ethics and Scientific Committees.
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.