1 Cardiology Department, University Hospital of Liege, Sart Tilman University Hospital Center, Liege, Belgium. Electronic address: lpierard@chu.ulg.ac.be.
2 Limoges University Hospital Center, Cardiology Department, Dupuytren Hospital, Limoges, France; National Institute for Health and Medical Research (INSERM) 1094, Faculty of Medicine of Limoges, Limoges, France.