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Cho AB, Jaehn P, Holleczek B, Becher H, Winkler V.Cho AB, et al. Among authors: becher h.BMC Public Health. 2018 Jan 17;18(1):148. doi: 10.1186/s12889-018-5046-0.BMC Public Health. 2018.PMID: 29343242Free PMC article.