Department of Cardiology, OHSU Hypertrophic Cardiomyopathy Center, Knight Cardiovascular Institute, Oregon Health & Science University, 3181 Southwest Sam Jackson Park Road, UHN62, Portland, OR 97239, USA. Electronic address: Heitner@ohsu.edu. Department of Cardiology, OHSU Hypertrophic Cardiomyopathy Center, Knight Cardiovascular Institute, Oregon Health & Science University, 3181 Southwest Sam Jackson Park Road, UHN62, Portland, OR 97239, USA.