1. Istituto Auxologico Italiano, IRCCS, Center for Cardiac Arrhythmias of Genetic Origin, Milan, Italy
2. Istituto Auxologico Italiano, IRCCS, Laboratory of Cardiovascular Genetics, Cusano Milanino (MI), Italy
3. Department of Clinical and Experimental Cardiology, Amsterdam University Medical Center AMC, University of Amsterdam, Amsterdam, The Netherlands
4. Netherlands Heart Institute, Utrecht, The Netherlands