A. Hussein - University of Khartoum
H. Eltoum - Daoud Research Group, Neurology, Neurology, Sudan
D. Mohamed - Daoud Research Group, Neurology, Khartoum, Sudan
M. Taha - Daoud Research Group, Neurology, Khartoum, Sudan
M. Abdelrahim - Daoud Research Group, Neurology, Khartoum, Sudan
M. Elfaki - Daoud Research Group, Neurology, Khartoum, Sudan
M. Alfaki - Daoud Research Group, Neurology, Khartoum, Sudan
R. Alsherif - Daoud Research Group, Neurology, Khartoum, Sudan
D. Osman - Daoud Research Group, Neurology, Khartoum, Sudan
M. Digna - Daoud Research Group, Neurology, Khartoum, Sudan