1. Department of Twin Research & Genetic Epidemiology King’s College London London UK
2. Dermatology Department West Herts NHS Trust Watford UK
3. Zoe Global Limited London UK
4. Dermatology Department Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
5. Dermatology Department Hospital Clinic of BarcelonaUniversity of Barcelona Barcelona Spain
6. Institut d’Investigacions Biomèdiques August Pi I Sunyer Barcelona Spain
7. University Hospitals of Derby and Burton NHS Foundation Trust Derby UK
8. School of Biomedical Engineering & Imaging Sciences King’s College London London UK