1. From the Gentofte University Hospital, Copenhagen, Denmark (P.E.B.T., C.J., R.M.J., U.J.G.); Department of Internal Medicine, University of Oulu, Oulu, Finland (H.V.H., M.J.P.R.); Department of Internal Medicine, University of Kuopio, Kuopio, Finland (J.H.); Department of Cardiology, University of Tampere, Tampere, Finland (V.V.); Department of Internal Medicine, Hopital Citadelle, Liege, Belgium (J.B.); Department of Internal Medicine, Päijät-Häme Central Hospital, Lahti, Finland (O.A.); Glostrup...