1. Center for Cardiovascular Innovation; Northwestern University Feinberg School of Medicine; Chicago IL USA
2. Ahmanson-UCLA Cardiomyopathy Center; University of California Los Angeles; Los Angeles CA USA
3. Cardiovascular Division; Brigham and Women's Hospital; Boston MA USA
4. Associazione Nazionale Medici Cardiologi Ospedalieri Research Center; Florence Italy
5. Klinik für Innere Medizin III; Universitätsklinikum des Saarlandes; Homburg Germany
6. Clinical Investigation Center; INSERM-CHU de Nancy Hôpital Jeanne d'Arc; Dommartin-les Toul Cedex France