1. Faculty of Medicine, University of Khartoum, Khartoum, Sudan
2. Basic to Translational Neurogenetics team, Institut du Cerveau et de la Moelle épinière, INSERM U1127, CNRS UMR7225, Sorbonne Université UMR_S1127, Paris, France
3. Neurogenetics team, Ecole Pratique des Hautes Etudes, EPHE, PSL Research University, Paris, France