1. Cochrane Central Executive; St Albans House, 57-59 Haymarket London England UK SW1Y 4QX
2. University of Liverpool; Department of Biostatistics; Block F Waterhouse Building, 1-5 Brownlow Street Liverpool Merseyside UK L69 3GL
3. East Lancashire Hospitals NHS Trust; Burnley UK
4. University of Central Lancashire; School of Medicine; Preston, Lancashire UK
5. University of Manchester; Manchester UK
6. Steps; The White House, Wilderspool Business Park Greenall's Avenue Warrington UK WA4 6HL
7. Health Education North West (Mersey); Liverpool UK
8. University of Liverpool; Institute of Translational Medicine; Institute in the Park, Alder Hey Hospital Liverpool Merseyside UK L12 2AP