Heuristics for the direct aperture optimisation in intensity modulated radiotion therapy: a systematic literature review. - Mauricio Moyano; Vinicius Cabrera Jameli; Keiny Meza-Vasquez; Maximiliano Beltran-Villarroel; Sebastian Muñoz-Bustos; Gonzalo Tello-Valenzuela; Nicolle Ojeda-Ortega; Guillermo Cabrera-Guerrero (Artif. Intell. Rev., 2026)