Salih, Mayson Ahmed http://orcid.org/0000-0001-9226-9557
Ali, Raouf Wahab
Nasir, Elwalid Fadul http://orcid.org/0000-0001-5909-7423
Article History
Received: 19 February 2023
Accepted: 30 May 2023
First Online: 8 June 2023
Declarations
:
: The study received ethical approval from the Ethical Committee, University of Science and Technology (UST), Omdurman, Sudan and the Management of Innovation, Development and Scientific Research, Ministry of Health (NO: UST/FD/REC: 20/8/ 2018). All participants signed an informed consent form before the beginning of the data collection. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.