1. Department of Cardiology III - Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Albert-Schweitzer- Campus 1, 48149, Muenster, Germany
2. 1st Department of Cardiology, AHEPA University Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki St. Kiriakidi 1, 54636, Greece
3. Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, Royal Brompton Hospital, United Kingdom