| Affiliation: | 1. Department of Dermatology, University of Michigan, 1910 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5314, USA;2. Department of Pathology, University of Michigan, 2800 Plymouth Road, Building 35, Ann Arbor, MI 48109 – 2800, USA;1. Department of Pathology, Azienda Ospedale-Università Padova, Padua, Italy;2. Department of Medicine, University of Padua School of Medicine, Padua, Italy;3. Unit of Surgical Pathology, Istituto Ortopedico Rizzoli, Bologna, Italy;1. Histopathology Department, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Greater London HA7 4LP, UK;2. Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK;3. Radiology Department, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Greater London HA7 4LP, UK;1. Department of Pathology, Brigham and Women''s Hospital, 75 Francis Street, Boston, MA 02115, USA;2. Department of Pathology, Brigham and Women''s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA;1. Department of Pathology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, USA;2. Harvard Medical School, Boston, MA, USA;1. Department of Pathology and Laboratory Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada;2. Department of Dermatology, University Medical Center, Ruprecht-Karls-University, Heidelberg, Germany;3. Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada |
