Funding for this research was provided by:
Ministerio de Economía, Industria y Competitividad, Gobierno de España (FFI2016-78034-C2-2-P)
Instituto de Salud Carlos III (PI14/01884)
John Fell Fund, University of Oxford (121/435)
Text and Data Mining valid from 2019-05-02
Received: 9 February 2019
Accepted: 17 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: Ethics approval for this research was granted by the University of Oxford [MSD-IDREC-C1–2012-95, SSD/CUREC2/09–23].
: Not applicable.
: The authors declare that they have no conflict of interest.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.