PLOS Medicine publishes research and commentary of general interest with clear implications for patient care, public policy or clinical research agendas.
*To whom correspondence should be addressed. E-mail: firstname.lastname@example.org
Department of Infection and Population Health, Division of Population Health, University College London, London, United Kingdom
Social Science Research Unit, Institute of Education, London, United Kingdom
London School of Hygiene & Tropical Medicine, London, United Kingdom
Medical Research Council, Clinical Trials Unit, London, United Kingdom