at The Mayo Clinic in Rochester, MN (USA)."He trained in Paediatrics and Paediatric Cardiology at the University Hospitals Leuven in Belgium and at The Mayo Clinic in Rochester, MN (USA)."
Dr. Mertens received his medical degree from the University of Leuven in Belgium and trained as a Pediatric Cardiologist at the University of Leuven and at The Mayo Clinic in Rochester, MN (USA). He worked as a paediatric cardiologist at the University Hospitals in Leuven between 1998 and 2008, focusing on paediatric echocardiography and studying cardiac function in children.