Optimizing indicated cognitive behavioral therapy to prevent child anxiety and depression: A cluster-randomized factorial trial. - Lisøy C; Neumer SP; Adolfsen F; Ingul JM; Potulski Rasmussen LM; Wentzel-Larsen T; Patras J; Sund AM; Ytreland K; Waaktaar T; Holen S; Askeland AL; et al. (Behaviour research and therapy, 2024)