1. Unit of Cardiology, Department of Medicine Karolinska Institutet Stockholm Sweden
2. Karolinska University Hospital, Heart, Vascular and Neuro Theme Stockholm Sweden
3. Perioperative Medicine and Intensive Care, Karolinska University Hospital Stockholm Sweden
4. Department of Physiology and Pharmacology Karolinska Institutet Stockholm Sweden
5. Department of Medical Sciences, Gastroenterology and Hepatology Uppsala University Uppsala Sweden