Text and Data Mining valid from 2018-03-20
Received: 11 December 2017
Accepted: 6 March 2018
First Online: 20 March 2018
: Animals were kept and handled according to animal welfare standards. The study was carried out in accordance with International Guiding Principles for Biomedical Research Involving Animals and Spanish Legislation (Law 31/2003 and RD 53/2013).
: Not applicable.
: The authors declare that they have no competing interests.
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