1 Institute for Surgical Research, Division of Cardiovascular and Pulmonary Diseases, Oslo University Hospital Rikshospitalet and Faculty of Medicine, University of Oslo, Norway.
2 University of Medicine and Pharmacy "Carol Davila", Euroecolab, Emergency Institute for Cardiovascular Diseases "Prof. Dr. C. C. Iliescu", Sos. Fundeni 258, sector 2, 0223228 Bucharest, Romania.