Funding for this research was provided by:
South African Medical Research Council
European Commission FP7 Program (258583)
Text and Data Mining valid from 2018-05-29
Received: 21 November 2017
Accepted: 26 April 2018
First Online: 29 May 2018
: All authors have completed the ICMJE uniform disclosure form at ExternalRef removed and declare: support from the European Commission FP7 Programme (grant agreement 258,583), no financial relationships with any organisations that might have an interest in the submitted work in the previous 3 years, nor other relationships or activities that could appear to have influenced the submitted work. Authors are members of the GRADE Working Group and the DECIDE project. PAC is supported by a Miguel Servet investigator contract from the Instituto de Salud Carlos III (CP09/00137). JM affirms that the manuscript is an honest, accurate and transparent account of the study being reported, that no important aspects of the study have been omitted, and that any discrepancies from the study as planned have been explained.
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