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Due TD, Thorsen T, Waldorff FB, Kousgaard MB.Due TD, et al. Among authors: waldorff fb.BMC Health Serv Res. 2017 Aug 23;17(1):593. doi: 10.1186/s12913-017-2537-0.BMC Health Serv Res. 2017.PMID: 28835276Free PMC article.