Text and Data Mining valid from 2018-07-31
Received: 19 January 2018
Accepted: 15 July 2018
First Online: 31 July 2018
: The authors declare they have no competing interest.
: This study was approved by Health Research Ethical Committee (HREC) of the University of Calabar Teaching Hospital. As only secondary data was used in this study, consent to participate was not required following HREC guidelines.
: Not applicable.
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