Received: 19 July 2017
Accepted: 5 July 2018
First Online: 30 July 2018
Ethics and consent to participate
: The study protocol was approved by the Scientific Review Committee of the School of Allied Health Sciences, University for Development Studies, Ghana. Informed consent was also obtained from orphanages and participant mothers after they were given ample information about the study and procedures explained to them before data collection. Participation was voluntary and participants could opt out at any stage of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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