1. Occupational Health Service Guy's and St Thomas’ NHS Foundation Trust and King's College London London U.K.
2. MRC Lifecourse Epidemiology Unit University of Southampton Southampton U.K.
3. Centre for Behaviour Change, Department of Clinical, Educational and Health Psychology University College London London U.K.
4. Dermatology Circle Nottingham NHS Treatment Centre Nottingham U.K.
5. Centre for the Economics of Mental and Physical Health King's College London London U.K.
6. Occupational Health Service University Hospital Southampton NHS Foundation Trust Southampton U.K.
7. Epidemiology and Biostatistics Imperial College London London U.K.
8. King's Clinical Trial Unit King's College London LondonU.K.
9. Medical Microbiology University College London London U.K.
10. Centre of Evidence Based Dermatology University of Nottingham Nottingham U.K.