. 2014 Apr 1;3(2):e21. doi: 10.2196/resprot.3014
©Andre Rodrigues Duraes, Pollianna DS Roriz, Fabio V Bulhoes, Bianca DA Nunes, Juliana QV Muniz, Italvar NDCR Neto, Andre MS Fernandes, Francisco JFBD Reis, Edmundo JN Camara, Erenaldo DSR Junior, Deusdeth TS Segundo, Felipe Pinho E Albuquerque Silva, Roque Aras. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 01.04.2014.
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