1. Federal Neuropsychiatric Hospital, Calabar, Cross Rivers State, Nigeria
2. Child & Adolescent Psychiatry Unit, Federal Neuropsychiatric Hospital, New Haven, Enugu, Enugu State, Nigeria
3. Childhood Neuropsychiatric Disorders Initiatives (CNDI), Enugu, Nigeria
4. Department of Psychological Medicine, Ebonyi State University, Abakaliki, Nigeria
5. Department of Paediatrics, University of Calabar Teaching Hospital (UCTH), Calabar, Cross River State, Nigeria
6. Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
7. Department of Psychiatry, University of Calabar, Calabar, Cross River State, Nigeria