1 Heart, Vascular and Neuro Theme, Karolinska University Hospital, Stockholm, Sweden; Division of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden. Electronic address: camilla.hage@regionstockholm.se.
2 Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
3 Heart, Vascular and Neuro Theme, Karolinska University Hospital, Stockholm, Sweden; Division of Cardiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.