Article History
Received: 29 May 2020
Accepted: 15 October 2020
First Online: 30 October 2020
Ethics approval and consent to participate
: This study was approved by Cross River State Ministry of Health ethical committee.
: Not applicable.
: The authors declare no conflict of interest.
: Ethical approval was obtained from Cross River State Ministry of Health with the reference number CGS&E-H/018/Vol1.1/21.
: Informed consent was obtained from the prisoners before enrolment. Informed consent (written) was obtained from the study participants.