Received: 19 February 2019
Accepted: 22 June 2019
First Online: 1 July 2019
Ethics approval and consent to participate
: The study ethical approval was granted by the College of Medicine Research and Ethics Committee (COMREC) (Reference Number: SP.2017/PHARM4/15). Permission was also sought from the Zomba Mental Hospital management before the study. Written informed consents were obtained from the eligible patients and number codes (serial numbers) were used in identifying each patient participant, to respect patient’s privacy and confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.