1. Division of Radiological Physics Department of Radiology University Hospital Basel University of Basel Basel Switzerland
2. Division of Pediatric Respiratory Medicine and Allergology Department of Pediatrics, Inselspital Bern University Hospital University of Bern Switzerland
3. Department of Biomedical Engineering University of Basel Basel Switzerland
4. High Field Magnetic Resonance Max Planck Institute for Biological Cybernetics Tübingen Germany
5. Department of Biomedical Magnetic Resonance University of Tübingen Tübingen Germany
6. Department of Radiology University Hospital Basel University of Basel Basel Switzerland
7. Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital Bern University Hospital University of Bern Switzerland