1. Clinical Research Center; Fundación Valle del Lili; Cali Colombia
2. Cochrane Austria, Department for Evidence-based Medicine and Evaluation; Danube University Krems; Krems Austria
3. Cochrane South Africa; South African Medical Research Council; Cape Town South Africa
4. Division of Population Medicine; Cardiff University School of Medicine; Cardiff UK
5. Centre for Occupational and Environmental Health; University of Manchester; Manchester UK
6. Division of Population Health, Health Services Research and Primary Care; University of Manchester; Manchester UK
7. Centre for Biostatistics, School of Health Sciences, Faculty of Biology, Medicine and Health; University of Manchester; Manchester UK
8. Epidemiology Department; Public Health England Centre for Radiation Chemical and Environmental Hazards (CRCE); London UK
9. WorkSafe BC; WorkSafe BC; Richmond Canada
10. Cochrane Work Group; Amsterdam Finland
11. Centre for Evidence-Based Medicine Odense (CEBMO) and Cochrane Denmark; Department of Clinical Research, University of Southern Denmark; Odense Denmark
12. Cochrane Sweden; Lund University, Skåne University Hospital; Lund Sweden
13. Department of Clinical Sciences Lund, Paediatrics; Lund University, Skåne University Hospital; Lund Sweden