Global citimpact: 14.77 Researcher at From the Department of Cardiology, Athens General Hospital "G. Gennimatas," Athens, (G.G., C.K., K.D., K.R., I.R., V.P., S.D.); 2nd Department of Cardiology, Evangelismos General Hospital, Athens, (M.E., K.L.); 1st Department of Cardiology, Red Cross Hospital, Athens, (A.K.); 1st Department of Cardiology, University of Athens Medical School, Hippokration Hospital, Athens, (V.P., A.S.M., D.T., C.S.). .