1. Clinical Physiology, Department of Clinical Sciences, Lund, Lund University , Box 188, 221 00 Lund , Sweden
2. Department of Clinical Physiology, Skåne University Hospital , Entrégatan 7, 221 85 Lund , Sweden
3. Paediatric Cardiology, Children’s Heart Centre, Skåne University Hospital , Entrégatan 7, 221 85 Lund , Sweden
4. Paediatrics, Department of Clinical Sciences, Lund, Lund University , Box 188, 221 00 Lund , Sweden
5. Diagnostic Radiology, Department of Clinical Sciences, Lund, Lund University , Box 188, 221 00 Lund , Sweden
6. Department of Radiology, Skåne University Hospital , Entrégatan 7, 221 85 Lund , Sweden