Victimization by traditional bullying and cyberbullying and the combination of these among adolescents in 13 European and Asian countries - Chudal, Roshan; Tiiri, Elina; Brunstein Klomek, Anat; Ong, Say How; Fossum, Sturla; Kaneko, Hitoshi; Kolaitis, Gerasimos; Lesinskiene, Sigita; Li, Liping; Huong, Mai Nguyen; Praharaj, Samir Kumar; Sillanmäki, Lauri; et al. (Eur Child Adolesc Psychiatry, 2022)