1. Institute of Public Health and Clinical Medicine Umeå University Umeå Sweden
2. Clinic of Cardiology University Clinical Centre of Kosovo, and Universi College Prishtina Kosovo
3. Cardiac, Thoracic and Vascular Department University of Pisa Pisa Italy
4. Faculty of Medicine Department of Surgical and Perioperative Sciences Clinical Physiology Umeå University Umeå Sweden
5. Molecular and Clinic Research Institute St George UniversityBrunel University London UK