Mary Coleman is a pediatric neurologist specializing in neurodevelopmental disorders. She has published over 100 papers and nine medical books, five of which are on autism. She was educated at the University of Chicago, Johns Hopkins University and George Washington University with neurology training at Columbia-Presbyterian Medical Center and Children's Hospital in D.C. Christopher Gillberg is Professor of Child and Adolescent Psychiatry at the Gillberg Neuropsychiatry Centre at the University of Gothenburg, Sweden. He is one of the leading neuropsychiatrists in the world and has published over 500 papers and 25 books. He is an active researcher and clinician in the field of autism as well… as in the fields of other childhood onset neurodevelopmental disorders, including ADHD, tic disorders, learning disability, epilepsy and eating disorders.