1. Musculoskeletal and Quantitative Imaging Research; Department of Radiology and Biomedical Imaging; University of California, San Francisco; San Francisco California USA
2. Department of Diagnostic and Interventional Radiology; Technische Universität München; Munich Germany
3. Department of Orthopaedic Surgery; University of California, San Francisco; San Francisco California USA
4. Department of Radiology; University of Brescia; Brescia Italy