1. Center for the Diagnosis and Treatment of Pericardial Diseases, Cleveland Clinic, Cleveland, Ohio, USA
2. Section of Cardiovascular Imaging, Department of Cardiovascular Medicine, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio, USA
3. Department of Pathology, Cleveland Clinic, Cleveland, Ohio, USA
4. Section of Cardiac Electrophysiology and Pacing, Department of Cardiovascular Medicine, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio, USA