[1] University of Thessaly,Department of Cardiothoracic Surgery
[2] Surgery Working Group,Department of Surgery and Cancer
[3] Society of Junior Doctors,Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences
[4] Imperial College London,Department of Cardiothoracic Surgery
[5] St Mary’s Hospital,Department of Cardiothoracic Surgery
[6] University of Thessaly,undefined
[7] Oxford University Hospitals,undefined
[8] University Hospital of Larissa,undefined
[9] Biopolis,undefined