1. Sheffield Dermatology Research, Division of Clinical Medicine, School of Medicine & Population Health University of Sheffield, The Medical School Sheffield UK
2. Department of Electronic & Electrical Engineering The University of Sheffield Sheffield UK
3. The Statistical Services Unit, The University of Sheffield Sheffield UK
4. Department of Paediatric Dermatology Sheffield Children's Hospital Sheffield UK
5. Department of Dermatology The Royal Hallamshire Hospital Sheffield UK
6. Pfizer, Inc New York City New York USA
7. Pfizer Pharmaceutical Israel Ltd. Herzliya Israel
8. Pfizer, Inc Collegeville Pennsylvania USA