Corrigendum: School children's mental health during the COVID-19 pandemic - Martinsen, Kristin; Lisøy, Carina; Wentzel-Larsen, Tore; Neumer, Simon-Peter; Rasmussen, Lene-Mari Potulski; Adolfsen, Frode; Sund, Anne Mari; Ingul, Jo Magne (Frontiers in Psychology, 2024)