1. Histopathology; London Sarcoma Service; Royal National Orthopaedic Hospital NHS Trust; Stanmore Middlesex HA7 4LP U.K
2. UCL Cancer Institute; Huntley Street London WC1E 6BT U.K
3. University College London Hospitals Foundation Trust; London Sarcoma Service; 250 Euston Road London NW1 2PG U.K
4. Cancer Genome Project; Wellcome Trust Sanger Institute; Wellcome Trust Genome Campus Hinxton Cambridgeshire CB10 1SA U.K