1 Cardiac Unit, Department of Internal Medicine, Satasairaala, Pori, Finland (K.T.).
2 Department of Internal Medicine, University of Turku, Finland (K.T., K.E.J.A.).
3 Heart Center, Turku University Hospital, Finland (K.E.J.A., V.L.L., P.M.).
4 Department of Medicine, University of Helsinki, Finland (J. Haukka, M. Lehto).
5 Division of Medicine and Department of Geriatric Medicine, Turku University Hospital, Finland (V.L.L.).
6 Department of Health and Social Management, University of Eastern Finland, Kuopio, Finland (O.H., M. Linna).
7 Department of Neurology, Helsinki University Hospital and University of Helsinki, Finland (J.P.).
8 Heart Center, Kuopio University Hospital and University of Eastern Finland (J. Hartikainen).
9 Liverpool Centre for Cardiovascular Science at the University of Liverpool, Liverpool John Moores University and Liverpool Heart and Chest Hospital, United Kingdom (G.Y.H.L.).
10 Department of Clinical Medicine, Danish Center for Health Services Research, Aalborg University, Denmark (G.Y.H.L.).
11 Department of Internal Medicine, Jorvi Hospital, Helsinki University Hospital, Finland (M. Lehto).