1. Department of Vascular Diseases; University Medical Centre; Ljubljana Slovenia
2. Department of Medicine Solna; Karolinska Institutet & Clinical Pharmacology; Karolinska University Hospital; Stockholm Sweden
3. Department of Laboratory Medicine Huddinge; Division of Clinical Pharmacology; Karolinska Institutet & Clinical Pharmacology; Karolinska University Hospital; Stockholm Sweden
4. Department of Coagulation Research; Institute for Molecular Medicine and Surgery; Karolinska Institutet & Department of Clinical Chemistry; Karolinska University Hospital; Stockholm Sweden