1. Centre for Tumour Biology; Barts Cancer Institute; Barts and the London School of Medicine and Dentistry; Queen Mary University of London; London UK
2. Department of Histopathology; Imperial College London; Hammersmith Hospital; London UK
3. Department of Histopathology; University College London; London UK
4. Department of Cellular Pathology; Clarence Memorial Wing; St Mary's Hospital; London UK
5. Department of Histopathology; West Middlesex University Hospital; Isleworth UK