1 National Amyloidosis Centre, Division of Medicine, University College London, Royal Free Hospital, London, United Kingdom. Electronic address: [email protected].
2 National Amyloidosis Centre, Division of Medicine, University College London, Royal Free Hospital, London, United Kingdom; Centre for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Trieste, Italy.