1. Thayer School of Engineering Dartmouth College Hanover New Hampshire USA
2. Institute of Orthopaedic Research and Biomechanics University Medical Center Ulm Ulm Germany
3. Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Faculty of Medicine University of Southampton Southampton UK
4. Departments of Orthopaedic Surgery and Bioengineering University of Pennsylvania Philadelphia Pennsylvania USA
5. Department of Mechanical Engineering and Mechanics Lehigh University Bethlehem Pennsylvania USA
6. Geisel School of Medicine Dartmouth College Hanover New Hampshire USA