1 Heart Vascular and Thoracic Institute, Department of Cardiovascular Medicine, Section of Vascular Medicine, Cleveland Clinic Foundation, Ohio; School of Clinical Medicine, University of Cambridge, United Kingdom.
2 Heart Vascular and Thoracic Institute, Department of Cardiovascular Medicine, Section of Vascular Medicine, Cleveland Clinic Foundation, Ohio.
3 Heart, Vascular and Thoracic Institute, Department of Thoracic and Cardiovascular surgery, Cleveland Clinic Foundation, Ohio.
4 Heart Vascular and Thoracic Institute, Department of Cardiovascular Medicine, Section of Vascular Medicine, Cleveland Clinic Foundation, Ohio; Taussig Institute, Department of Hematology, Cleveland Clinic Foundation, Ohio; Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Ohio. Electronic address: scameron_2@yahoo.com.