1 Royal Brompton Hospital and Imperial College London, Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, London, United Kingdom. Electronic address: [email protected].
2 Royal Brompton Hospital and Imperial College London, Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, London, United Kingdom; University Hospital Centre Zagreb, Department of Cardiolovascular Diseases, Zagreb, Croatia.
3 Royal Brompton Hospital and Imperial College London, Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, London, United Kingdom.