Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBericht des Sekretärs.PublicationZeitschrift für Gerontologie und Geriatrie, 2017, Vol 50, Issue 7, p644ISSN0948-6704Publication typeArticleDOI10.1007/s00391-017-1322-3