1. Second Department of Cardiology, Cardiac Thoracic and Vascular Department – University Hospital of Pisa, Via Paradisa, 2, Cisanello, Italy
2. EURObservational Research Programme (EORP), European Society of Cardiology, 2035 routes des Colles, Sophia, Antipolis, France
3. Department of Medical Science and Cardiology, Uppsala University, Akademiska sjukhuset, Uppsala, Sweden
4. Department of Cardiology, Medical University of Lublin, Jaczerskiego Street Nr 8, Lublin, Poland
5. Department of Cardiology, Fondazione Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
6. Department of Cardiology, Heart Center Brandenburg in Bernau/Berlin & Brandenburg Medical School, Ladeburger Straße 17, Bernau, Germany
7. Department of Arrhythmia and Cardiac Pacing, CHU Albert Michallon, University Hospital Grenoble-Alpes, BP 217, Grenoble Cedex 9, France
8. Département de Cardiologie, Hôpital Arnaud de Villeneuve, 371 Avenue du Doyen Gaston Giraud, Montpellier
9. ANMCO Research Center, Via La Marmora 34, Firenze, Italy