1. Northwestern University; Feinberg School of Medicine; Chicago IL USA
2. Duke University Medical Center; Durham NC USA
3. Duke Clinical Research Institute; Durham NC USA
4. Cardiovascular Department; Papa Giovannni XXIII Hospital; Bergamo Italy
5. Ahmanson-UCLA Cardiomyopathy Center; Ronald Reagan-UCLA Medical Center; Los Angeles CA USA
6. Institute of Emergency for Cardiovascular Diseases ‘Prof. C.C. Iliescu’; Cardiology 1, UMF Carol Davila, Bucharest Romania
7. Stony Brook University; Stony Brook NY USA