title: There is bullying and bullying.
authors.affiliation: Department of Epidemiology, Documentation and Health Promotion, Municipal Health Service 2200, 1000 CE Amsterdam, The Netherlands. mvdwal@gggd.amsterdam.nl
authors.forename: Marcel F
authors.initials: MF
authors.lastname: van der Wal
mesh_terms: D000293:Adolescent; D000374:Aggression / Q000523:psychology*; D002648:Child; D003863:Depression / Q000523:psychology; D006801:Humans; D007604:Juvenile Delinquency / Q000523:psychology; D012919:Social Behavior; D013405:Suicide / Q000523:psychology; D011795:Surveys and Questionnaires