Funding for this research was provided by:
Seventh Framework Programme (278901)
Wellcome Trust (WT082178)
Deutsches Zentrum für Herz-Kreislaufforschung
Berliner Institut fur Gesundheitsforschung
Text and Data Mining valid from 2018-04-17
Received: 18 January 2018
Accepted: 28 March 2018
First Online: 17 April 2018
Compliance with ethical standards
: Ethical approval of the study protocols has been requested at all sites from the respective ethics committees in Ghana (School of Medical Sciences/Komfo Anokye Teaching Hospital Committee on Human Research, Publication & Ethical Review Board), the Netherlands (Institutional Review Board of the AMC, University of Amsterdam), Germany (Ethics Committee of Charite-Universitätsmedizin Berlin) and the UK (London School of Hygiene and Tropical Medicine Research Ethics Committee) before data collection began in each country.
: The procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national).
: All participants provided written informed consent.