Redefining plan quality in head-and-neck VMAT via RayStation MCO versus standard optimization: A dual analysis of dosimetry and delivery accuracy. - El Mouden O; Bannan A; Sekkat H; Baydaoui RE; Bougteb M; Mkimel M; Berrada Y; Tahiri M; El Rhazouani O (Medical dosimetry : official journal of the American Association of Medical Dosimetrists, 2026)