1 Division of Cardiology, Department of Medicine, Interventional Cardiology, The Andreas Gruentzig Cardiovascular Center, Emory University School of Medicine, Atlanta, GA. Electronic address: vasileios.gkogkas@emory.edu.
2 Division of Cardiology, Department of Medicine, Interventional Cardiology, The Andreas Gruentzig Cardiovascular Center, Emory University School of Medicine, Atlanta, GA.