Hayrettin Hakan Aykan, MD is an Associate Professor, Pediatric Cardiologist in the Department of Pediatric Cardiology at the Hacettepe University Faculty of Medicine. He received a Doctor of Medicine degree from the Hacettepe University. His research interests are Pediatric Cardiology, Infectious Disease Epidemiology, Infectious Disease Control and Prevention, Cardiac Electrophysiology, Electrocardiography, Cardiomyopathies, Interventional Cardiology, Clinical Cardiology, Echocardiography, Cardiac Function.