1. From the Department of Internal Medicine, Division of Geriatric Medicine, University Hospitals KU Leuven, Brusselsestraat, Leuven, Belgium; Ortho Pharma Science GmbH, Moers, Germany; the Department of Geriatric Medicine, Universität Witten-Herdecke, Velbert, Germany; the Department of Medicine Columbia-Presbyterian Medical Center, New York; and the University of Colorado Health Sciences Center, D