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. 2018 Feb 15;8(2):e021104. doi: 10.1136/bmjopen-2017-021104

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Participant flow diagram. ADHD, attention-deficit hyperactivity disorder; CAMHS, Child and Adolescent Mental Health Services; CGI, Clinical Global Impressions Scale; CHU9D, Child Health Utility; SDQ, Strengths and Difficulties Questionnaire; SNAP-IV, Swanson, Nolan and Pelham IV.