1 Section of Cardiothoracic Surgery, Department of Heart Diseases, Haukeland University Hospital, Haukeland University, Bergen, Norway. Electronic address: [email protected].
2 Section of Interventional Cardiology, Department of Heart Diseases, Haukeland University Hospital, Haukeland University, Bergen, Norway.
3 Section of Cardiothoracic Surgery, Department of Heart Diseases, Haukeland University Hospital, Haukeland University, Bergen, Norway.