López-Suárez, F. E.
Perez-Cadenas, M.
Bueno-López, A.
Carvalho-Filho, C. T.
Eguiluz, K. I. B.
Salazar-Banda, G. R.
Funding for this research was provided by:
Brazilian National Council of Technological and Scientific Development-CNPq (402243/2012-9, 303630/2012-4, 474261/2013-1, 407274/2013-8, 310282/2013-6)