Study protocol of a factorial trial ECHO: optimizing a group-based school intervention for children with emotional problems

by Simon-Peter Neumer, Joshua Patras, Solveig Holen, Carina Lisøy, Anne Liv Askeland, Ida Mari Haug, Annette Jeneson, Tore Wentzel-Larsen, Frode Adolfsen, Lene-Mari Potulski Rasmussen, Jo Magne Ingul, Kristin Ytreland, Elisabeth Valmyr Bania, Anne Mari Sund, Kristin Martinsen
Published 2021-06-01