1. Centre for Clinical Sciences Hull York Medical School Hull Yorkshire UK
2. Department of Plastic and Reconstructive Surgery Castle Hill Hospital Hull University Teaching Hospitals NHS Trust Hull Yorkshire UK
3. Department of Dermatology Churchill Hospital Oxford University Hospitals NHS Foundation Trust Oxford UK
4. Department of Dermatology Walsall Manor Hospital Walsall Healthcare NHS Trust Walsall West Midlands UK
5. Department of Dermatology Leicester Royal Infirmary Leicester University Hospitals NHS Trust Leicester UK
6. Centre for Trials Research Cardiff University Cardiff UK
7. Dermatology Department Cardiff and Vale University Health Board Cardiff UK