1 Cardiothoracovascular Department, Center for Diagnosis and Treatment of Cardiomyopathies, Azienda Sanitaria Universitaria Giuliano-Isontina, University of Trieste, Trieste, Italy; European Reference Network for Rare, Low-Prevalence, and Complex Diseases of the Heart (ERN GUARD-Heart).
2 Cardiothoracovascular Department, Center for Diagnosis and Treatment of Cardiomyopathies, Azienda Sanitaria Universitaria Giuliano-Isontina, University of Trieste, Trieste, Italy; European Reference Network for Rare, Low-Prevalence, and Complex Diseases of the Heart (ERN GUARD-Heart). Electronic address: gianfranco.sinagra@asugi.sanita.fvg.it.