1 Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, Royal Brompton & Harefield NHS Trust, National Heart and Lung Institute, Imperial College, London, UK; Division of Adult Congenital Heart Disease, Department of Cardiovascular Medicine, University Hospital Centre Zagreb, Croatia.
2 ACHD UNIT - Pediatric and Adult Congenital Heart Centre, IRCCS-Policlinico San Donato, Milan, Italy.
3 Department of Pediatric Cardiology, Beijing Anzhen Hospital, Capital Medical University, Chaoyang District, Beijing 100029, China.
4 Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, Royal Brompton & Harefield NHS Trust, National Heart and Lung Institute, Imperial College, London, UK. Electronic address: [email protected].