1. Heart,Vascular and Thoracic Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
2. Department of Internal Medicine, University of Louisville, 530 S Jackson St, Louisville, KY 40202, USA
3. Department of Rheumatology, Stony Brook University Hospital, 101 Nicolls Road, Stony Brook, NY 11794, USA
4. Department of Cardiology, Westchester Medical Centre, 100 Woods Rd, Valhalla, NY 10595, USA
5. University Division of Cardiology, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, Corso Bramante, 88, 10126 Torino, TO, Italy
6. Center for Diagnosis and Treatment of Pericardial Diseases, Section of Cardiovascular Imaging, Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Sydell and Arnold Miller Family Heart, Vascular and Thoracic Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA