(C) The Office of the Assistant Secretary for Mental Health and Substance Use of the Department of Health and Human Services. (3) Relation to other work groups The Work Group shall be created and conducted in the same manner as other work groups for the development of clinical practice guidelines for the Department of Veterans Affairs and the Department of Defense. (c) Matters included In developing the clinical practice guidelines under subsection (a), the Work Group, in consultation with the Post Traumatic Stress Disorder Work Group, Concussion-mTBI Work Group, Opioid Therapy for Chronic Pain Work Group, and Substance Use Work Group, shall ensure that the clinical practice guidelines include the following: (1) Guidance with respect to the following: (A) The treatment of patients with post-traumatic stress disorder who are also experiencing a substance use disorder or chronic pain. (B) The treatment of patients experiencing a mental health condition, including anxiety, depression, or post-traumatic stress disorder as a result of military sexual trauma who are also experiencing a substance use disorder or chronic pain. (C) The treatment of patients with traumatic brain injury who are also experiencing a substance use disorder or chronic pain. (2) Guidance with respect to the following: (A) Appropriate case management for patients experiencing post-traumatic stress disorder that is comorbid with substance use disorder or chronic pain who transition from receiving care while on active duty in the Armed Forces to care from health care networks outside of the Department of Defense. (B) Appropriate case management for patients experiencing a mental health condition, including anxiety, depression, or post-traumatic stress disorder as a result of military sexual trauma that is comorbid with substance use disorder or chronic pain who transition from receiving care while on active duty in the Armed Forces to care from health care networks outside of the Department of Defense. (C) Appropriate case management for patients