Institution: | (1) Cardiology Unit, Department of Medicine, Karolinska University Hospital, N3:06, Solna, 171 76 Stockholm, Sweden;(2) Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden;(3) Department of Medical Sciences, Uppsala University, Uppsala, Sweden;(4) Centre of Registers in Region V?stra G?taland, Gothenburg, Sweden;(5) Department of Medicine, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden; |