1. Department of Cardiology, Nantes Université, CHU Nantes l'institut du thorax Nantes France
2. Department of Thoracic and Cardio‐Vascular Surgery, Nantes Université, CHU Nantes l'institut du thorax Nantes France
3. Department of Cardiology CHU Rennes Rennes France
4. Department of Cardiology CHU Brest Brest France