1. Human Genetics and Genome Research Division, Centre of Scientific Excellence of Human Genetics, National Research Centre, Cairo, Egypt;
2. Laboratory of Biomedical Genomics and Oncogenetics, Institut Pasteur de Tunis, University of Tunis El Manar, Tunis, Tunisia;
3. Science Division, Wellcome, London, United Kingdom;
4. Division of Human Genetics, Department of Pathology, Faculty of Health Science, University of Cape Town and Affiliated Hospitals, Cape Town, South Africa;
5. Service de Neurologie, Centre Hospitalier Universitaire du Point G, Bamako, Mali;
6. National Institutes of Health, National Human Genome Research, Bethesda, Maryland;
7. Brighton and Sussex Centre for Global Health Research, Brighton and Sussex Medical School, University of Sussex, Falmer, United Kingdom;
8. Department of Population and Quantitative Health Sciences, Institute of Computational Biology, Case Western Reserve University, Cleveland, Ohio;
9. Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa