title: Commentary.
authors.affiliation: Department of Neurology, Fann Teaching Hospital, Cheikh Anta Diop University, Dakar, Senegal ; Department of Neurology, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.
authors.forename: Yannick Fogoum
authors.initials: YF
authors.lastname: Fogang
authors.affiliation: Department of Neurology, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.
authors.forename: Gilles
authors.initials: G
authors.lastname: Naeije