Received: 24 December 2022
Accepted: 10 May 2023
First Online: 17 May 2023
: Ethical clearance and approval was obtained from the institutional review board (IRB) of Jimma University (IRB No: JUIRB003/14) and St. Amanuel mental specialized hospital (IRB No: 146/4/7) and all methods were performed in accordance with the ethical and scientific standards outlined in national and international guidelines. The hospital directors and head of the department of psychiatry of both hospitals were informed about the purpose of the study to get co-operation. All subjects and/or their legal guardian(s) were requested to provide written informed consent, and informed consent was obtained from all subjects and/or their legal guardian(s). The right to withdraw from the study at any point in time was respected. Confidentiality of the patients was kept at every stage .
: Not applicable.
: The authors declare no competing interests.