1 From Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA (B.Z., G.C.F.); Veteran Affairs Greater Los Angeles Healthcare System, CA (B.Z.); and Ahmanson-UCLA Cardiomyopathy Center, UCLA Medical Center, Los Angeles, CA (G.C.F.).
2 From Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA (B.Z., G.C.F.); Veteran Affairs Greater Los Angeles Healthcare System, CA (B.Z.); and Ahmanson-UCLA Cardiomyopathy Center, UCLA Medical Center, Los Angeles, CA (G.C.F.). [email protected].