Understanding school frontline workers' early implementation behavior: insights from the generation healthy kids study in Denmark. - Nielsen, Jonas Vestergaard; Koch, Sofie; Henriksen, Tine Hyldahl; Krølner, Rikke Fredenslund; Lund, Line; Brautsch, Louise Ayoe Sparvath; Ulrikkeholm, Line Kattai; Damsgaard, Camilla Trab; Larsen, Malte Nejst; Skovgaard, Thomas (Frontiers in Sports & Active Living, 2025)