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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Cheryl B. Lanktree University of Southern California, USA

Cheryl B. Lanktree, Ph.D. is Project Director of the USC Adolescent Trauma Training Center, National Child Traumatic Stress Network, a Research Assistant Professor of Psychiatry at the University of Southern California, and a licensed clinical psychologist in private practice. The developer of Integrative Treatment of Complex Trauma (ITCT), she has published various articles, chapters, treatment manuals, and books on treating complex trauma in children and adolescents. Her website is cblanktree.com.