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Galenkamp H, Gagliardi C, Principi A, Golinowska S, Moreira A, Schmidt AE, Winkelmann J, Sowa A, van der Pas S, Deeg DJ.Galenkamp H, et al.Eur J Ageing. 2016;13(2):129-143. doi: 10.1007/s10433-016-0375-2. Epub 2016 May 4.Eur J Ageing. 2016.PMID: 27358604Free PMC article.