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Mehl A, Åsvold BO, Kümmel A, Lydersen S, Paulsen J, Haugan I, Solligård E, Damås JK, Harthug S, Edna TH.Mehl A, et al. Among authors: harthug s.BMC Infect Dis. 2017 Feb 2;17(1):116. doi: 10.1186/s12879-017-2210-6.BMC Infect Dis. 2017.PMID: 28148226Free PMC article.