About the Authors
Oxford University, Department of Sociology, Oxford, United Kingdom
London School of Hygiene & Tropical Medicine, Department of Public Health and Policy, London, United Kingdom
Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
Division of General Internal Medicine, San Francisco General Hospital, San Francisco, California, United States of America
European Observatory on Health Systems and Policies, Brussels, Belgium
The authors have declared that no competing interests exist.
ICMJE criteria for authorship read and met: DS SB MM. Agree with the manuscript's results and conclusions: DS SB MM. Designed the experiments/the study: DS SB MM. Analyzed the data: DS SB. Collected data/did experiments for the study: DS SB. Wrote the first draft of the paper: DS SB. Contributed to the writing of the paper: DS SB MM. Contributed to interpretation of data: MM.