1. Department of Tissue Engineering, Kroto Institute, University of Sheffield, UK.
2. Department of Plastic and Reconstructive Surgery, Sheffield University Hospitals NHS Foundation Trust, Sheffield, UK.
3. Bone Metabolism Laboratory, Centre for Human Nutrition, Division of Clinical Sciences (North), University of Sheffield, UK.
4. Department of Histopathology, Northern General Hospital, Sheffield, UK.
5. Sheffield Kidney Research Institute, University of Sheffield, UK.