1. IRCCS Istituto Auxologico Italiano, Cardiomyopathy Unit and Center for the Cardiac Arrhythmias of Genetic Origin, Department of Cardiovascular, Neural and Metabolic Sciences, Piazzale Brescia, 20, Milan 20149, Italy
2. Advanced Heart Failure and Heart Transplantation Unit, Department of Cardiology, Centro Hospitalar Lisboa Ocidental, Avenida Prof Dr Reinaldo dos Santos 2790-134 Carnaxide, Lisbon, Portugal
3. Department of Cardiology, Leiden University Medical Center, Albinusdreef 2 2300 RC Leiden, The Netherlands