1. Spinal Surgery Unit, Department of Orthopedic Surgery, Austin Hospital Melbourne, University of Melbourne, Melbourne, Australia.
2. Spinal Surgery Unit, Department of Orthopedic Surgery, University Hospital of Bordeaux, Bordeaux, France.
3. Department of Radiology, Bergonié Institute, Bordeaux, France.
4. Department of Nuclear Medicine, Bergonié Institute, Bordeaux, France.