Mona Ellaithi1,2*
, David Gisselsson3*
, Therese Nilsson3*
, Atif Elagib4
, Imad Fadl-Elmula5
and Mashair Abdelgadir6* 
1
The Orchids Organization for Children with Special Needs, Khartoum, Sudan
2
Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
3
Department of Clinical Genetics, Lund University, Lund, Sweden
4
Tropical Medical Research Institute, Khartoum, Sudan
5
Faculty of Medical Laboratory Sciences, Al Neelain University, Khartoum, Sudan
6
Khartoum Teaching Hospitals, Khartoum, Sudan