Funding for this research was provided by:
International Development Research Centre (107144-001)
Text and Data Mining valid from 2018-08-16
Received: 27 January 2018
Accepted: 10 August 2018
First Online: 16 August 2018
Ethics approval and consent to participate
: The study was approved by ethics committees at Kenyatta University (Kenya), Nigerian Heart Foundation (Nigeria), Pedagogical University (Mozambique) and Children’s Hospital of Eastern Ontario (Canada). Study participants gave written consent to participate in this study. Written consent was also sought from parents/guardians for children who participated in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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