1. Department of Pathology; Western General Hospital and The University of Edinburgh; Edinburgh UK
2. Dermatopathologie Friedrichshafen Bodensee; Friedrichshafen Germany
3. Department of Pathology; Diakonissenhuis Utrecht; Utrecht The Netherlands
4. Department of Pathology; Radboud University Medical Centre; Nijmegen The Netherlands
5. Dermazentrum Roth; Roth Germany
6. Department of Pathology; Stellenbosch University and NHLS Tygerberg; Stellenbosch South Africa
7. Laboratório Bacchi; Botucatu Brazil
8. Department of Dermatopathology; St John's Institute of Dermatology; St Thomas' Hospital; London UK