Attention Deficit Disorder with Hyperactivity

• Assiut — Asyut, Egypt

• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States

• UCLA Semel Institute — Los Angeles, California, United States

• Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London — London, United Kingdom

• University of California, Irvine — Irvine, California, United States
• University of California, Los Angeles — Los Angeles, California, United States
• Johns Hopkins University — Baltimore, Maryland, United States
• New York State Psychiatric Institute — New York, United States

• Escombe Primary School — Durban, KwaZulu-Natal, South Africa

• Mental Health Children and Adolescent Clinic, Maccabi Health Services — Netanya, Israel

• University of Tubingen, Faculty of Science, Clinical Psychology and Psychotherapy — Tübingen, Baden-Wurttemberg, Germany

Not specified

• Policlinic Hospital — Bari, Italy