1. Ghent University Hospital; Heart Center; Ghent Belgium
2. Medtronic Plc; Bakken Research Center; Maastricht The Netherlands
3. Guy's and St Thomas' NHS Trust; London UK
4. The Second Department of Coronary Artery Disease; Institute of Cardiology; Warsaw Poland
5. Department of Cardiology; Congenital Heart Diseases and Electrotherapy Silesian Center of Heart Disease; Zabrze Poland
6. Faculty of Medicine; Imperial College Healthcare NHS Trust; London England UK