Haines Andy, Harris Francesca, Kasuga Fumiko, Machalaba Catherine
Departments of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, UK.
Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK.
BMJ. 2017 Jun 1;357:j2358. doi: 10.1136/bmj.j2358.