**Author details**

Fernanda Abreu<sup>1</sup> and Daniel Acosta-Avalos<sup>2</sup> \*


\*Address all correspondence to: dacosta@cbpf.br

© 2018 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.
