Mamoun Magzoub

Faculty of Medicine, University of Kassala, Kassala, Sudan

Mustafa A Alkawad

Faculty of Medicine, University of Kassala, Kassala, Sudan

Mohamed A Mohamed

Faculty of Medicine, University of Kassala, Kassala, Sudan
College of Medicine, University of Bisha, Bisha, Saudi Arabia

Hamza M Ali

Faculty of Medicine, University of Kassala, Kassala, Sudan

Abdallah M Osman

Faculty of Medicine, University of Kassala, Kassala, Sudan

Elhady E Elmubarak

Faculty of Medicine, University of Kassala, Kassala, Sudan

Shamselfalah M Osman

Faculty of Medicine, University of Kassala, Kassala, Sudan

Osman E Osman

Faculty of Medicine, Al-Neelain University, Khartoum, Sudan