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Arroyo-Gallego T, Ledesma-Carbayo MJ, Butterworth I, Matarazzo M, Montero-Escribano P, Puertas-Martín V, Gray ML, Giancardo L, Sánchez-Ferro Á.Arroyo-Gallego T, et al. Among authors: giancardo l.J Med Internet Res. 2018 Mar 26;20(3):e89. doi: 10.2196/jmir.9462.J Med Internet Res. 2018.PMID: 29581092Free PMC article.