1 Department of Cardiology, Loyola University MedicalCenter, 2160 S 1st Ave, Maywood, IL 60153; Department of Cardiology, Edward Hines Jr VA Hospital,5000 5th Ave, Hines, IL 60141.
2 Department of Cardiology, Loyola University MedicalCenter, 2160 S 1st Ave, Maywood, IL 60153; Department of Cardiology, Edward Hines Jr VA Hospital,5000 5th Ave, Hines, IL 60141. Electronic address: rdieter@lumc.edu.