. 2018 Jan 22;4(1):e11. doi: 10.2196/publichealth.8997
©Thiago Silva Torres, Raquel Brandini De Boni, Mauricio T L de Vasconcellos, Paula Mendes Luz, Brenda Hoagland, Ronaldo Ismerio Moreira, Valdilea Gonçalves Veloso, Beatriz Grinsztejn. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 22.01.2018.
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Figure 1.
Study flow-chart.