1. Department of Diagnostic and Interventional Radiology; University Hospital Zurich; Switzerland
2. Division of Plastic and Reconstructive Surgery; University Hospital Zurich; Switzerland
3. Institute of Anatomy; University of Zurich; Switzerland
4. Institute for Biomedical Engineering; University and ETH Zurich; Switzerland
5. Laboratory for Structural NMR Imaging; Department of Radiology; Perelman School of Medicine; University of Pennsylvania; USA