1. Cellular Pathology John Radcliffe Hospital Oxford University Hospitals NHS Foundation Trust Oxford UK
2. Department of Pathology University Hospital Centre Zagreb Zagreb Croatia
3. Department of Cellular Pathology University Hospitals of North Midlands NHS Trust Stoke‐on‐Trent UK
4. Department of Dermatology Shrewsbury and Telford NHS Trust Shrewsbury UK
5. Department of Pathology Hospital de Cabueñes Gijon Spain
6. Yale Dermatopathology Laboratory Yale University School of Medicine New Haven CT USA
7. Departments of Pathology and Dermatology, and the Helen Diller Cancer Center University of California San Francisco San Francisco CA USA
8. St John’s Institute of Dermatopathology St Thomas’ Hospital London UK