Hester van Eeren

| Chapter 2 2 | 32 Ttofi, M. M., Farrington, D. P., Losel, F., & Loeber, R. (2011). The predictive efficiency of school bullying versus later offending: A systematic/meta-analytic review of longitudinal studies. Criminal Behaviour and Mental Health, 21 , 80-89. Welsh, B. C., Loeber, R., Stevens, B. R., Stouthamer-Loeber, M., Cohen, M. A., & Farrington, D. P. (2008). Cost of juvenile crime in urban areas: A longitudinal perspective. Youth Violence Juvenile Justice, 6 , 3-27. ZonMw (2008). ZonMW programma zorg voor jeugd: weten wat werkt! [ZonMW program for youth] . The Hague, the Netherlands: ZonMW.