1. Intensive care unit (ICU) Department, Ribat University Hospital , Khartoum , Sudan
2. School of Medicine, Ahfad University for Women (AUW) , Khartoum , Sudan
3. School of Medicine, University of Medical Sciences and Technology , Khartoum , Sudan
4. Obstetrics and Gynecology Department, Dream Specialized Hospital , Khartoum , Sudan
5. Acute Care Medicine, Soba University Hospital , Khartoum , Sudan
6. Associate Professor of Medicine, University of Khartoum , Khartoum , Sudan
7. Department of hematology, Faculty of Medical laboratory sciences, University of Medical Siences and Technology (UMST) , Khartoum , Sudan