1 Department of Medicine, Jewish General Hospital, Montréal, Québec, Canada. Electronic address: vartan.mardigyan@mail.mcgill.ca.
2 Department of Medicine, University Hospital Santa Maria della Misericordia, and University of Udine, Italy; Department of Medicine, University Hospital Santa Maria della Misericordia, and University of Udine, Italy.
3 Department of Biomedical and Clinical Sciences, University of Milan, Fatebenefratelli Hospital, Milan, Italy.
4 Section of Cardiac Surgery, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
5 Center for the Diagnosis and Treatment of Pericardial Diseases, Section of Cardiovascular Imaging, Department of Cardiovascular Medicine, Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio, USA.