[1] Univ Massachusetts, Sch Med, Dept Psychiat, 55 Lake Ave North, Worcester, MA 01604 USA
[2] Harvard Univ, Sch Med, Boston Childrens Hosp, Brazelton Touchpoints Ctr,Div Dev Med, Cambridge, MA 02138 USA
[3] LUK Inc, Fitchburg, MA USA
[4] Boston Med Ctr, Div Dev & Behav Pediat, Child Witness Violence Project, Boston, MA USA
[5] Justice Resource Inst, Trauma Ctr, Brookline, MA USA
[6] Massachusetts Dept Children & Families, Boston, MA USA