1. Department of Dermatology; Barts Health NHS Trust; London UK
2. Primary Care and Population Sciences, Faculty of Medicine; University of Southampton; Southampton UK
3. Cochrane Skin Group; University of Nottingham; Nottingham UK
4. Centre of Evidence Based Dermatology; University of Nottingham; Nottingham UK
5. Nottingham Support Group for Carers of Children with Eczema; Nottingham UK
6. Department of Medicine; University of Toronto; Toronto Canada
7. Women's College Research Institute and Department of Medicine; Women's College Hospital; Toronto Canada
8. National Heart & Lung Institute, Section of Inflammation and Repair; Imperial College London; London UK