. "Department of Cardiology\u2028 Erasmus MC\u2028 P.O. Box 2040\u2028 3000 CA Rotterdam,\u2028 The Netherlands" . "Institut de Cardiologie\u2028 GH Pitie\u0301-Salpe\u0302trie\u0300re\u2028 47-83 Bld de l'Hopital\u2028 75013 Paris, France\u2028 E-mail address:michel.komajda@psl.ap-hop-paris.fr" . "Department of Cardiology\u2028 Erasmus MC\u2028 P.O. Box 2040\u2028 3000 CA Rotterdam,\u2028 The Netherlands\u2028 E-mail address:m.lenzen@erasmusmc.nl" .