Institution: | 1. Leeds Institute of Cancer and Pathology and Yorkshire Regional Cytogenetics Unit, St James''s University Hospital, Beckett Street, Leeds, LS9 7TF, UK;2. Department of Neurosurgery, The Ohio State University Medical Center, Columbus, OH 43210, USA;3. Department of Neurosurgery, Brigham and Women''s Hospital, Harvard Medical School, Boston, MA 02115, USA |