1. Department of Preventive and Social Medicine; Dunedin School of Medicine, University of Otago; Dunedin New Zealand
2. Methods Support Unit; Editorial Methods Department; London UK
3. Population Health Sciences, Bristol Medical School; University of Bristol; Bristol UK
4. NIHR ARC West; Bristol UK
5. Sydney School of Pharmacy; The University of Sydney; Sydney Australia
6. Department of Public Health; University of Otago, Wellington; Wellington New Zealand
7. School of Medicine and Public Health, Faculty of Health and Medicine; University of Newcastle; Callaghan Australia
8. Charles Perkins Centre and School of Pharmacy; The University of Sydney; Sydney Australia
9. Department of Mathematics and Statistics; University of Otago; Dunedin New Zealand
10. School of Medicine and Public Health; University of Newcastle; Callaghan Australia
11. Editorial and Methods Department; Cochrane; London UK
12. Charles Perkins Centre and School of Pharmacy, Faculty of Medicine and Health; The University of Sydney; Camperdown, Sydney Australia