| Affiliation: | 1. Section of Orthopedic Surgery, Istituto Clinico Humanitas, Milan, Italy;2. Department of Surgical Sciences, University of Parma, Parma, Italy;3. Department of Biomedical Sciences, University of Parma, Parma, Italy;4. Section of Orthopedic Surgery, Istituto Clinico Città di Brescia, Brescia, Italy;5. Department of Specialized Medicine, Diagnostics and Experimental Medicine, St. Orsola University Hospital, Bologna, Italy;6. University of California at San Francisco, San Francisco, CA, U.S.A. |
