1. Columbia University College of Physicians and Surgeons, New York, New York
2. Georgetown University School of Medicine, Washington, DC
3. Centre of Evidence-Based Dermatology, University of Nottingham King’s Meadow Campus, Nottingham, England
4. Bruyere Research Institute, University of Ottawa, Ottawa, Ontario, Canada
5. Cochrane Skin Group, Dermatology Department, Queen’s Medical Centre, University Hospital, Nottingham, England
6. Peninsula Dental School, Plymouth University, Plymouth, England
7. Institut für Informatik, Universität Leipzig, Leipzig, Germany
8. International Foundation for Dermatology, London, England
9. Institute for Health Metrics and Evaluation, University of Washington, Seattle
10. Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
11. Cochrane Editorial Unit, The Cochrane Collaboration, London, England
12. Centre of Evidence-Based Dermatology, University of Nottingham, Nottingham University Hospitals NHS Trust, Queen’s Medical Centre, Nottingham, England
13. Department of Dermatology, University of Colorado Anschutz Medical Campus, Denver14Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Denver15Dermatology Service, Department of Veterans Affairs Me