[1] Helsinki University Hospital,Heart and Lung Center
[2] and University of Helsinki,Research Unit of Surgery, Anesthesia and Critical Care
[3] University of Oulu,Department of Cardiac Surgery, Glenfield Hospital
[4] University Hospitals of Leicester,UK Aortic Surgery Group, Wessex Cardiothoracic Centre, Division of Cardiac Surgery
[5] Southampton University Hospital,Division of Cardiac Surgery
[6] Southampton University Hospital,Department of Cardio
[7] University of Verona Medical School,Thoracic Surgery
[8] Jean Minjoz University Hospital,Service de Chirurgie Thoracique et Cardio
[9] Assistance Publique - Hôpitaux de Paris,vasculaire, Hôpital Henri Mondor
[10] Ziekenhuis Oost-Limburg,Department of Cardiovascular Surgery
[11] Münster University Hospital,Department of Cardiothoracic Surgery
[12] University Heart & Vascular Centre Hamburg,Department of Cardiovascular Surgery, German Aortic Centre Hamburg
[13] Institute of Clinical and Experimental Medicine,Liverpool Cardiovascular Surgery, Liverpool Heart and Chest Hospital, Faculty of Health and Life Sciences, Liverpool Centre for Cardiovascular Science
[14] Northern General Hospital,Cardiac Surgery Department
[15] University of Liverpool,Department of Cardiac Surgery
[16] University of Udine,Cardiovascular and Thoracic Surgery, Saint
[17] University of Turin,Luc’s Hospital
[18] Leipzig Heart center,Department of Cardiac Surgery
[19] Catholic University of Louvain,Cardiac Surgery
[20] University Hospital Antwerp,Department of Cardiac Surgery
[21] University Hospitals Leuven,undefined
[22] AZ St-Jan,undefined