1. Department of Cardiology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
2. Department of Cardiac, Thoracic and Vascular Surgery, Lithuanian University of Health Sciences, Kaunas, Lithuania
3. Department of Radiology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
4. Department of Anaesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
5. Department of Cardiology, Imperial College London, Hammersmith Hospital, London, UK
6. Division of Cardiothoracic Surgery, Imperial College London, Hammersmith Hospital, London, UK