Headache service quality in Egypt: current status, identified gaps, and strategic directions. - Hassan A; Hussein M; Magdy R; Uludüz D; Özge A; Taşdelen S; Amirguliyev S; Şaşmaz T; Abdulghani MO; Moustafa RR; Essmat A; Yacoub O; et al. (Frontiers in neurology, 2026)