1. Division of Cardiology, University of Perugia School of Medicine, Perugia, Italy
2. Imperial College London, London, United Kingdom
3. Royal Brompton Hospital, London, United Kingdom
4. Experimental and Clinical Research Center, A joint cooperation between the Max-Delbrück Center for Molecular Medicine and the Charité Medical Faculty, Berlin, Germany
5. HELIOS-Clinic, Berlin, Germany
6. Cardiology, Hospital Universitario La Paz, IdiPaz, Madrid, Spain
7. Department of Cardiology, Asklepeion General Hospital, Athens, Greece
8. Cardiology Clinical Academic Group, Molecular & Clinical Sciences Institute, St. George’s University of London, London, United Kingdom