1. St John's Institute of Dermatology Guy's and St Thomas’ NHS Foundation Trust Westminster Bridge Road London SE1 7EH U.K
2. Department of Dermatology Great Ormond Street Hospital for Children NHS Foundation Trust London U.K
3. Department of Dermatology The Royal Melbourne Hospital The Royal Children's Hospital and Monash Medical Centre Melbourne Australia
4. Department of Plastic Surgery Guy's and St Thomas’ NHS Foundation Trust Westminster Bridge Road London SE1 7EH U.K
5. Department of Dermatology Paracelsus Medical University Salzburg Austria
6. Division of Dermatology Vanderbilt University School of Medicine Nashville TN U.S.A
7. Department of Palliative Care Guy's and St Thomas’ NHS Foundation Trust Westminster Bridge Road London SE1 7EH U.K
8. Division of Dermatology University of Massachusetts Worcester MA U.S.A
9. Department of Otorhinolaryngology, Head and Neck Surgery University Medical Centre Groningen Groningen the Netherlands
10. Department of Oncology Guy's and St Thomas’ NHS Foundation Trust Westminster Bridge Road London SE1 7EH U.K
11. Department of Dermatology University Medical Centre Groningen Groningen the Netherlands
12. Department of Dermatology Cincinnati Children's Hospital Medical Center Cincinnati OH U.S.A
13. Department of Dermatology APHP, Avicenne Hospital Bobigny France
14. Department of Dermatology St George Hospital, University of New South Wales Sydney Australia
15. Facultad de Medicina Clínica Alemana Santiago Chile
16. Department of Dermatopathology Guy's and St Thomas’ NHS Foundation Trust Westminster Bridge Road London SE1 7EH U.K
17. Basic Sciences Department Universidad de Monterrey Monterrey Mexico
18. St John's Institute of Dermatology King's College London (Guy's Campus) London U.K