What do we know and what can we achieve regarding prevention work for youths?: the report of the National Research Council / Institute of Medicine (2009): "Preventing mental, emotional, and behavioral disorders among young people: progress and possibilities" (www.nap.edu/catalog.php?record_id=12480) - Jonkman, Harrie (International perspectives of crime prevention ; 7: Contributions from the 8th Annual International Forum 2014 within the German Congress on Crime Prevention, 2015)