**Author details**

Sergio Sánchez-Nuño, Teresa Carbonell and Antoni Ibarz Valls\* Department of Cellular Biology, Physiology and Immunology, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain

\*Address all correspondence to: tibarz@ub.edu

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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*DOI: http://dx.doi.org/10.5772/intechopen.89842*

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