1. Faculty of Medicine University of Gezira Wad Madani Sudan
2. Medani Heart Diseases and Surgery Center University of Bakht Alruda Ed Dueim Sudan
3. Faculty of Medicine University of Khartoum Khartoum Sudan
4. Faculty of Medical Laboratory Sciences AlNeelain University Khartoum Sudan
5. Faculty of Medicine Alzaiem Alazhari University Khartoum Sudan
6. Omdurman Islamic University, Faculty of Medicine Khartoum Sudan
7. Wad Medani College for Medical Science and Technology, Faculty of Medicine Wad Madani Sudan
8. Medicine Department, Faculty of Medicine and Health Sciences Gadarif University Gadarif Sudan