1 Department of Cardiology and Cardiovascular Clinical Research Center, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy.
2 Center for Cardiac Arrhythmias of Genetic Origin, IRCCS Istituto Auxologico Italiano, 20095 Milan, Italy.
3 Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy.
4 Institute of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University and Civil Hospital of Brescia, 25123 Brescia, Italy.