Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (99999.003340/2015-05)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (163550/2012-3, 301692/2010-6)
National Science Foundation (BSR-8906340)
Article History
Received: 12 August 2016
Accepted: 15 March 2017
First Online: 7 April 2017