. Author manuscript; available in PMC: 2020 Nov 9.
Published in final edited form as: Lancet Planet Health. 2019 Jul;3(7):e307–e317. doi: 10.1016/S2542-5196(19)30094-4
This is an Open Access article under the CC BY 4.0 license (http://creativecommons.org/licenses/by-nc-nd/4.0/).