Early intervention increases reactive joint attention in autistic preschoolers with arousal regulation as mediator. - Bast, Nico; Polzer, Leonie; Raji, Naisan; Schnettler, Luisa; Kleber, Solvejg; Lemler, Christian; Kitzerow-Cleven, Janina; Kim, Ziyon; Schaer, Marie; Freitag, Christine M. (European Child & Adolescent Psychiatry, 2025)