1 Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy.
2 Department of Cardiovascular Diseases, University of Siena, Policlinico "Le Scotte", Siena, Italy.
3 Humboldt University Berlin, German Centre for Cardiovascular Research (DZHK), Berlin, Germany.
4 Department of Cardiothoracic Intensive Care and Mechanical Circulatory Support, Harefield Hospital, Royal Brompton and Harefield Hospitals, London, United Kingdom.
5 School of Cardiovascular and Metabolic Sciences and Medicine, King's College London, London, United Kingdom.