1. Department of Cardiovascular Diseases Mayo Clinic Rochester MN USA
2. Heart Institute, Hadassah University Medical Center, Faculty of Medicine Hebrew University of Jerusalem Jerusalem Israel
3. Division of Cardiovascular Medicine, Section of Heart failure and Transplantation University of Iowa Iowa City IA USA
4. National Kapodistrian University of Athens Greece
5. Department of Cardiac Surgery, Boston's Children Hospital Harvard Medical School Boston MA USA
6. Department of Cardiovascular Medicine Cleveland Clinic Cleveland OH USA
7. Department of Medicine Icahn School of Medicine at Mount Sinai Mount Sinai Beth Israel New York NY USA
8. Division of Cardiology New York University Langone Medical Center New York NY USA