Martin S Maron1, Barry J Maron2. 1. From Hypertrophic Cardiomyopathy Center, Division of Cardiology, Tufts Medical Center, Boston, MA; and Hypertrophic Cardiomyopathy Center, Minneapolis Heart Institute, Minneapolis, MN. mmaron@tuftsmedicalcenter.org. 2. From Hypertrophic Cardiomyopathy Center, Division of Cardiology, Tufts Medical Center, Boston, MA; and Hypertrophic Cardiomyopathy Center, Minneapolis Heart Institute, Minneapolis, MN.