Distinct subgroups in hypertrophic cardiomyopathy in the NHLBI HCM Registry by Neubauer, S, Kolm, P, Ho, CY, Kwong, RY, Desai, MY, Dolman, SF, Appelbaum, E, Desvigne-Nickens, P, Dimarco, JP, Friedrich, MG, Geller, N, Harper, AR, Jarolim, P, Jerosch-Herold, M, Kim, DY, Maron, MS, Schulz-Menger, J, Piechnik, SK, Thomson, K, Zhang, C, Watkins, H, Weintraub, WS, Kramer, CM