1. Division of Surgery and Interventional ScienceRoyal Free CampusUniversity College LondonPond Street NW3 2QGLondonUK
2. Centre for Advanced Biomedical ImagingDivision of MedicineUniversity College LondonLondonUnited Kingdom
3. Division of Tissue Engineering and BiophotonicsKings College London Dental InstituteLondonUnited Kingdom
4. Department of Medical Physics and BioengineeringUniversity College LondonLondonUnited Kingdom
5. Centre for Medical Image ComputingUniversity College LondonLondonUnited Kingdom