1. Molecular Oncology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester M20 4BX, UK.
2. Signal Transduction Team, The Institute of Cancer Research, London SW3 6JB, UK.
3. Gene and Oncogene Targeting Team, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, 15 Cotswold Road, Sutton, Surrey SM2 5NG, UK.
4. Melanoma Unit, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK.
5. Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Road, Manchester M20 4BX, UK.
6. Department of Histopathology, Royal Surrey County Hospital, Division of Clinical Pathology, University of Surrey, Guilford GU2 7XX, UK.