1. Southampton General Hospital; The Wessex Institute for Health R & D; Level B South Academic Block Southampton Hampshire UK SO16 6YD
2. Wolfson Research Institute, Durham University; School of Medicine and Health; Holliday Building Queen's Campus Stockton-on-Tees UK TS17 6BH
3. University of East Anglia; School of Medicine, Health Policy & Practice; Norwich UK NR4 7TJ
4. MRC Biostatistics Unit; Institute of Public Health Robinson Way Cambridge UK CB2 0SR
5. University of Southampton School of Medicine; Department of Community Clinical Sciences; Aldermoor Health Centre Aldermoor Close Southampton UK S016 5ST
6. The Linwood Centre; Linwood Lane Saffron Lane Leicester Leicestershire UK LE2 6QN
7. London School of Hygiene & Tropical Medicine; Department of Epidemiology & Population Health; Keppel Street London UK WC1E 7HT