Bullying and Victimization Among Young Elementary School Children: The Role of Child Ethnicity and Ethnic School Composition Jan van der Ende, Marina Verlinden, Anke Dommisse-van Berkel, Cathelijne L. Mieloo, Pauline W. Jansen, Frank C. Verhulst, Henning Tiemeier, W. Jansen, G. Stevens • 2016