. Author manuscript; available in PMC: 2019 Nov 5.
Published in final edited form as: Soc Sci Med. 2019 Feb 15;225:108–119. doi: 10.1016/j.socscimed.2019.01.037
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).