1. Centre of Evidence Based Dermatology; University of Nottingham; Nottingham UK
2. Imperial Clinical Trials Unit; Imperial College London; London UK
3. Department of Dermatology; Royal Free London; London UK
4. Wellcome Sanger Institute; Cambridge UK
5. School of Public Health, Physiotherapy and Sports Science; University College Dublin; Dublin Ireland
6. Primary Care and Population Sciences, Faculty of Medicine; University of Southampton; Southampton UK
7. The Cochrane Collaboration; London UK
8. Cochrane Methods Support Unit; Cochrane; London UK
9. Nottingham Support Group for Carers of Children with Eczema; Nottingham UK
10. Department of Medicine, and Department of Health Research Methods, Evidence & Impact; McMaster University; Hamilton, Ontario Canada
11. Department of Pediatrics; National Hospital Organization Nagoya Medical Center; Nagoya Japan
12. Department of Medicine; University of Toronto; Toronto Canada
13. Research and Innovation Institute and Department of Medicine; Women's College Hospital; Toronto Canada
14. National Heart & Lung Institute, Section of Inflammation and Repair; Imperial College London; London UK