Below are the plenty of resources to go through for specific cases:

ADHD Quotient Test

American Academy of Child and Adolescent Psychiatry

American Academy of Neurology Foundation

American Academy of Pediatrics

American Epilepsy Society

American Psychological Association

Attention Deficit Disorder Association

Autism Speaks

Cerebral Palsy Guide

Cerebral Palsy Guidance

Child Neurology Society

Children and Adults with ADHD

Children with Disabilities

Epilepsy

Epilepsy Advocate

Epilepsy Foundation

E-Prescriptions

National Headache Foundation

St. Joseph’s Children’s Hospital