1. Department of Medicine, Faculty of Medicine, University of Khartoum, Khartoum, Sudan
2. Mycetoma Research Centre, University of Khartoum, Khartoum, Sudan
3. Ribat Teaching Hospital, COVID-19 Isolation Centre
4. Sudan Medical Specialization Board, Internal Medicine MD Rotation, Resident Registrar
5. Department of Parasitology and Medical Entomology, Faculty of Medical Laboratory Sciences, Nile University, Khartoum, Sudan
6. Erasmus MC, University Medical Center Rotterdam, Department of Microbiology and Infectious Diseases, Rotterdam, The Netherlands