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Klett-Tammen CJ, Krause G, Seefeld L, Ott JJ.Klett-Tammen CJ, et al.BMC Public Health. 2016 Feb 4;16:121. doi: 10.1186/s12889-016-2784-8.BMC Public Health. 2016.PMID: 26846202Free PMC article.
Raupach-Rosin H, Klett-Tammen CJ, Schmalz O, Karch A, Castell S, Mikolajczyk R.Raupach-Rosin H, et al.Gesundheitswesen. 2016 Dec;78(12):822-827. doi: 10.1055/s-0035-1559710. Epub 2015 Nov 9.Gesundheitswesen. 2016.PMID: 26551853German.
Obenauer J, Rübsamen N, Castell S, Hoodgarzadeh M, Klett-Tammen CJ, Mikolajczyk RT, Karch A.Obenauer J, et al.Eur J Public Health. 2018 Feb 1;28(1):139-144. doi: 10.1093/eurpub/ckx092.Eur J Public Health. 2018.PMID: 29106547