Hanefeld Johanna, Hawkins Benjamin, Knai Cecile, Hofman Karen, Petticrew Mark
Anthropology, Politics and Policy Group, London School of Hygiene and Tropical Medicine, London, UK.
Department of Health Services Research, London School of Hygiene and Tropical Medicine, London, UK.
BMJ Glob Health. 2016 Sep 20;1(2):e000099. doi: 10.1136/bmjgh-2016-000099. eCollection 2016.