Funding for this research was provided by:
CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico (141482/2013-3)
CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico (141270/2013-6)
FAPESP Research, Innovation and Dissemination Center for Neuromathematics - NeuroMat (2011/51350-6)
FAPESP Research, Innovation and Dissemination Center for Neuromathematics - NeuroMat (2011/51350-6)