1. Department of Radiology; Stanford University; Stanford California USA
2. Department of Bioengineering; Stanford University; Stanford California USA
3. Department of Mechanical Engineering; Stanford University; Stanford California USA
4. Department of Radiology & Nuclear Medicine, Erasmus MC; University Medical Center; Rotterdam Netherlands
5. Institute of Anatomy; Paracelsus Medical University Salzburg and Nuremberg; Salzburg Austria
6. Chondrometrics GmbH; Ainring Germany
7. Department of Electrical Engineering; Stanford University; Stanford California USA