Classification of the cardiomyopathies: a position statement from the European Society Of Cardiology Working Group on Myocardial and Pericardial Diseases - Elliott, P; Andersson, B; Arbustini, E; Bilinska, Z; Cecchi, F; Charron, P; Dubourg, O; Kühl, U; Maisch, B; McKenna, WJ; Monserrat, L; Pankuweit, S; Rapezzi, C; Seferovic, P; Tavazzi, L; Keren, A (Eur Heart J, 2008)