; (B) licensed clinical behavioral health professionals, such as psychologists or social workers; (C) a case manager; and (D) other members, such as psychiatric advanced practice nurses, physician assistants, peer-support specialists or other allied health professionals, such as mental health counselors. (3) Special population The term special population means— (A) adults with mental illnesses who have co-occurring primary care conditions with chronic diseases; (B) adults with serious mental illnesses who have co-occurring primary care conditions with chronic diseases; (C) children and adolescents with serious emotional disorders with co-occurring primary care conditions and chronic diseases; (D) older adults with mental illness who have co-occurring primary care conditions with chronic conditions; (E) individuals with substance use disorder; or (F) individuals from populations for which there is a significant disparity in the quality, outcomes, cost, or use of mental health or substance use disorder services or a significant disparity in access to such services, as compared to the general population, such as racial and ethnic minorities and rural populations. (c) Purpose The grant program under this section shall be designed to lead to full collaboration between primary and behavioral health in an integrated practice model to ensure that— (1) the overall wellness and physical health status of individuals with serious mental illness and co-occurring substance use disorders is supported through integration of primary care into community mental health centers meeting the criteria specified in section 1913(c) of the Social Security Act or certified community behavioral health clinics described in section 223 of the Protecting Access to Medicare Act of 2014