1. Swiss Tropical and Public Health Institute (Swiss TPH) Allschwil Switzerland
2. University of Basel Basel Switzerland
3. Institute of Endemic Disease University of Khartoum Khartoum Sudan
4. Faculty of Medicine University of Khartoum Khartoum Sudan
5. Sirius Training and Research Centre Khartoum Sudan
6. Department of Medical Microbiology and Immunology, Faculty of Medicine Gulu University Gulu Uganda
7. Faculty of Medical Laboratory Sciences University of Khartoum Khartoum Sudan
8. Department of Medical Microbiology and Infectious Diseases, ErasmusMC University Medical Center Rotterdam Rotterdam The Netherlands