Text and Data Mining valid from 2020-04-06
Received: 20 July 2019
Accepted: 16 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: We obtained ethical approval from the Scientific and Ethical Committee in the Department of Planning Research and Statistics of Rivers State Ministry of Health in a letter with reference number MH/PRS/391/Vol. 2/381. We obtained informed verbal consent from each participant as was approved by the ethical committee.
: Not applicable because data which could affect individual privacy was not indicated in the manuscript.
: The authors declare no competing interest in connection with this paper.