Shumilah, Ahmed Mohammed
Othman, Arwa Mohammed
Al-Madhagi, Anwar Kasim
Article History
Received: 24 April 2021
Accepted: 31 August 2021
First Online: 7 September 2021
Declarations
:
: This study was approved by the ethics committee of the postgraduate studies and scientific research council of Sana'a University, and the written informed consent was obtained from all participants in this study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.