作者单位：
Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine
[1]
Department of Public Health, AUT University, Auckland, New Zealand
[2]
Department of Public Health and Clinical Medicine, Ume? University, Ume?, Sweden
[3]
University of Auckland, Auckland, New Zealand
[4]
Lancet, London NW1 7BY, United Kingdom
[5]
发布时间
2014-10-14
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