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Barrios R, Bravo M, Gil-Montoya JA, Martínez-Lara I, García-Medina B, Tsakos G.Barrios R, et al.Health Qual Life Outcomes. 2015 Jan 23;13:9. doi: 10.1186/s12955-014-0201-5.Health Qual Life Outcomes. 2015.PMID: 25613348Free PMC article.