Intervention
MBT-CD included one weekly individual session and one monthly family (or other caretakers) session over the course of 6 to 12 months. Flexibility in duration and number of individual or family sessions was exhibited throughout the study to provide optimal care for each patient. MBT-CD started with two psychoeducational sessions for the adolescent and their family on mentalizing and reciprocal effects of difficulties with mentalizing and handling emotionally challenging situations. In individual and family sessions, MBT-CD targeted recovery or establishment of mentalizing in emotionally challenging situations for the adolescents. During the first individual sessions, the adolescent’s problem behavior was mentalized using a Motivational Interviewing technique [