Funding for this research was provided by:
Cancer Prevention and Research Institute of Texas (RP 140113, RP170295)
Medical Research Council (MC-A760-5QX00, MR/M01424X/1)
Bill and Melinda Gates Foundation (OPP1 066947)
National Health and Medical Research Council (APP1011618, APP1026892)
Agricultural Research Service (CRIS 3092-5-001-059)
Received: 13 October 2017
Accepted: 6 December 2017
First Online: 9 January 2018
Ethics approval and consent to participate
: The Melbourne Collaborative Cohort Study was approved by the Human Research Ethics Committee of Cancer Council Victoria. For the ENID Trial, ethical approvals were obtained from the joint Gambia Government/MRC Unit, The Gambia Ethics Committee. In both the Melbourne and Gambia studies, all participants provided informed consent in accordance with the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.
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