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Authors
Okoro, Philemon E. https://orcid.org/0000-0002-8061-3813
Ngaikedi, Charles
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Article History
Received: 8 October 2019
Accepted: 26 November 2019
First Online: 15 January 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the ethics committee of the University of Port Harcourt Teaching Hospital with reference number UPTH/ADM/90/S.II/VOL XI/835, and the Federal Medical Centre Owerri. Written informed consent was also obtained from the parents of patients who were recruited prospectively.
: The consent for publication was verbally obtained from parents and guardians of the participants.
: The authors declare that they have no competing interests.
