Corrigendum: We learned we can do something to reduce bullying: children designing anti-bullying mobile apps to empower their peers - Hartikainen, Heidi; Ventä-Olkkonen, Leena; Iivari, Netta; Sharma, Sumita; Lehto, Essi; Molin-Juustila, Tonja; Holappa, Jenni (Frontiers in Education, 2023)