1 Anesthesia and Intensive Cardiac Care Unit, Montpellier University Hospital, Montpellier, France.
2 Royal Brompton and Harefield, Guy's & St Thomas' NHS Foundation Trust, London, UK.
3 Heart Center, OLV Aalst, Aalst, Belgium.
4 Intensive Cardiac Care Unit, Cardiology Department, Rangueil University Hospital, Toulouse, France.
5 Recherche et Enseignement en Insuffisance Cardiaque Avancée, Assistance et Transplantation (REICATRA), Institut Saint Jacques, CHU de Toulouse, Toulouse, France.