1. Histopathology; Royal Surrey County Hospital; Guildford UK
2. Molecular Oncology Group; CRUK Manchester Institute; University of Manchester; Manchester UK
3. Division of Clinical Medicine; University of Surrey; Guildford, Surrey UK
4. Members of EORTC Melanoma Group Pathology Working Group; Florence Italy
5. Division of Pathological Anatomy; Department of Surgery and Translational Medicine; University of Florence; Florence Italy
6. Department of Pathology; Radboud University Medical Centre; Nijmegen the Netherlands
7. Translational Cell and Tissue Research; Department of Imaging and Pathology; University of Leuven (KU Leuven); Leuven Belgium
8. Department of Pathology; Erasmus University Medical Centre; Rotterdam the Netherlands
9. Department of Dermatology; University of Florence; Florence Italy
10. Eleanor Kissin; Department of Plastic Surgery; St George's Hospital; London UK
11. Department of Dermatology; Princess Alexandra Hospital; Brisbane Queensland Australia
12. The University of Queensland; UQ Diamantina Institute; Translational Research Institute; Brisbane Queensland Australia
13. QIMR Berghofer Medical Research Institute; Brisbane Queensland Australia
14. Brigham and Women's Hospital; Boston MA USA