1 Department of Cardiovascular and Thoracic Surgery, Brest University Hospital, Brest, France; European University of Brittany, Brest, France.
2 Department of Cardiovascular and Thoracic Surgery, Brest University Hospital, Brest, France; European University of Brittany, Brest, France; Faculty of Medicine, University of Brest, Brest, France. Electronic address: [email protected].