Specifying cross-system collaboration strategies for implementation: a multi-site qualitative study with child welfare and behavioral health organizations oleh Alicia C. Bunger, Emmeline Chuang, Amanda M. Girth, Kathryn E. Lancaster, Rebecca Smith, Rebecca J. Phillips, Jared Martin, Fawn Gadel, Tina Willauer, Marla J. Himmeger, Jennifer Millisor, Jen McClellan, Byron J. Powell, Lisa Saldana, Gregory A. Aarons