Funding for this research was provided by:
Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable
MINECO (BFU2014–51836-C2-1-R and BFU2017-82754-R)
Text and Data Mining valid from 2018-03-26
Received: 22 December 2017
Accepted: 15 March 2018
First Online: 26 March 2018
Compliance with Ethical Standards
: All procedures involving animals were approved by the CSIC institutional animal use and care committee and by the Comunidad de Madrid (PROEX 134/17) and followed the European Parliament and Council Directive (2010/63/EU) and the Spanish regulation (Ley 6/2013, 11th June) on the protection of animals for experimental use.
: The authors declare that they have no conflict of interest.