1. From the Department of Clinical Sciences Malmö, Lund University, Sweden (V.H., D.N., O.M., A.F.); Department of Internal Medicine (V.H., O.M.) and Department of Cardiology (A.F.), Skåne University Hospital, Malmö, Sweden; and National Heart and Lung Institute, Imperial College, Hammersmith Hospital Campus, London, United Kingdom (R.S.).