Acknowledgement:
We are grateful to our patients and their family members for participating to this study. This work is supported by grant number U01HG007044 funded by the National Institute of Neurological Disorders and Stroke (NINDS) administered by the National Human Genome Research Institute as part of the NIH Common Fund H3Africa Initiative, intramural funds from NINDS, the Faculté de Médecine et d’Odontostomatologie, USTTB, Bamako, Mali, and the Centre Hospitalier Universitaire du Point G, Bamako, Mali.
Conflict of interest: The authors declare no competing interests.