Assessment of functioning in ADHD according to World Health Organization standards : First revision of the International Classification of Functioning, Disability and Health Core Sets
Aim: To conduct the first revision of the World Health Organization International Classification of Functioning, Disability and Health (ICF) Core Sets for attention-deficit/hyperactivity disorder (ADHD). Method: A Delphi-like method was used, integrating evidence from stakeholder feedback and developing and piloting the ADHD ICF Core Set platform to inform revisions to the ADHD Core Sets. Results: