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Romero-Sandoval N, Parra C, Gallegos G, Guanopatín A, Campaña MF, Haro M, Calapaqui S, Moreta C, Viteri F, Feijoo-Cid M, Martin M.Romero-Sandoval N, et al. Among authors: viteri f.Public Health Action. 2013 Mar 21;3(1):85-9. doi: 10.5588/pha.12.0070.Public Health Action. 2013.PMID: 26393003Free PMC article.