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Behrens M, Mau-Moeller A, Lischke A, Katlun F, Gube M, Zschorlich V, Skripitz R, Weippert M.Behrens M, et al. Among authors: skripitz r.J Gerontol A Biol Sci Med Sci. 2018 May 9;73(6):792-797. doi: 10.1093/gerona/glx210.J Gerontol A Biol Sci Med Sci. 2018.PMID: 29077783Clinical Trial.