[1] Sassari University Hospital,Cardiovascular Department
[2] Sassari University Hospital,Clinical and Interventional Cardiology
[3] A.O.U. Ospedali Riuniti,Cardiovascular Department
[4] St. George’s,Cardiology Clinical Academic Group
[5] University of London,Cardiovascular Research Centre
[6] Royal Brompton and Harefield NHS Foundation Trust,Cardiothoracic Centre
[7] Guy’s and St Thomas’ Hospital,undefined
[8] King’s College London,undefined