1 Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio.
2 Department of Pathology, Robert J. Tomsich Institute of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio.
3 Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio.
4 Department of Hematology and Oncology, Cleveland Clinic Taussig Cancer Center, Cleveland, Ohio.
5 Section of Cardiovascular Imaging, Center for the Diagnosis and Treatment of Pericardial Diseases, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio.