1. Sudan FETP Graduates, Federal Ministry of Health, Khartoum 11111, Sudan
2. FETP Technical Coordinator, EMPHNET, Khartoum 11111, Sudan
3. Sudan FETP Graduates, Blue Nile National Institute for Communicable Disease, Gezira 21111, Sudan
4. Associate Professor of Community Medicine, Department of Community Medicine, Faculty of Medicine, University of Khartoum and GHD/EMPHNET Consultant for EBS in Sudan, Khartoum 11111, Sudan