1. Skeletal Biology Group, Comparative Biomedical Sciences, The Royal Veterinary College, Royal College Street, London NW1 0TU, UK.
2. Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, Research Campus Golm, 14424 Potsdam, Germany.
3. Cluster of Excellence, Humboldt University of Berlin, Berlin, Germany.
4. Bruker microCT, Kartuizersweg 3B, 2550 Kontich, Belgium.
5. Mechanical Engineering, University College London, London WC1E 7JE, UK.