1. Dermatology Department Harrogate and District Hospital Trust Harrogate UK
2. Newcastle University School of Medical Education Newcastle upon Tyne UK
3. Division of Infection & Immunity Cardiff University Cardiff UK
4. Department of Dermatology Royal Victoria Infirmary Newcastle upon Tyne UK
5. Translational and Clinical Research Institute Newcastle University Newcastle upon Tyne UK
6. Department of Dermatology Stanford University Medical Center Stanford CA USA