title: Invited Commentary.
authors.affiliation: Cardiovascular and Thoracic Surgery Department, St. Luc's Hospital, Catholic University of Louvain, 1200 Brussels, Belgium.
authors.forename: Stefano
authors.initials: S
authors.lastname: Mastrobuoni
authors.affiliation: Cardiovascular and Thoracic Surgery Department, St. Luc's Hospital, Catholic University of Louvain, 1200 Brussels, Belgium.
authors.forename: Laurent
authors.initials: L
authors.lastname: de Kerchove
authors.affiliation: Cardiovascular and Thoracic Surgery Department, St. Luc's Hospital, Catholic University of Louvain, 1200 Brussels, Belgium. Electronic address: gebrine.elkhoury@uclouvain.be.
authors.forename: Gebrine
authors.initials: G
authors.lastname: El Khoury