. 2015 Jun 15;31(1):91–101. doi: 10.1093/heapol/czv055
© The Author 2015. Published by Oxford University Press in association with The London School of Hygiene and Tropical Medicine
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Analytical framework