?:authorAffiliation
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[\'Department of Neurology, University Hospital Essen (J.G., E.-E.D., M.J., C.K., D.M.H.), University of Duisburg-Essen, Germany.\', \'Institute of Medical Sociology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany (M.E.).\', \'Centre for Population, Family and Health, Department of Sociology, University of Antwerp, Belgium (S.v.d.V.).\', \'Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD (T.K.M.C.).\', \'Institute for Health Economics and Clinical Epidemiology, University of Cologne, Germany (K.L.).\', \'Institute of Medical Informatics, Biometry and Epidemiology (R.E., K.-H.J.), University of Duisburg-Essen, Germany.\']
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