Welcome to the ABC News OnCall+ Autism Center! Find answers to the most pressing questions on autism answered by the nation's top medical experts from the country's most prestigious medical centers.

• Albert Einstein College of Medicine of Yeshiva University, New York, N.Y.
• Baylor College of Medicine, Houston, Texas
• Beaumont Hospital, Royal Oak, Mich.
• Emory Autism Center, Atlanta, Ga.
• Indiana University School of Medicine, Indianapolis, Ind.
• Kennedy Krieger Institute, Baltimore, Md.
• Massachusetts General Hospital, Boston, Mass.
• Mount Sinai School of Medicine, New York, N.Y.
• Ochsner Health Center, New Orleans, La.
• The Ohio State University College of Medicine, Columbus, Ohio
• Penn State Milton S. Hershey Medical Center, Hershey, Pa.
• Seattle Children's Hospital, Seattle, Wash.
• University of Arizona College of Medicine, Tucson, Ariz.
• UCLA Center for Autism Research and Treatment, Los Angeles, Calif.
• University Hospitals Case Medical Center, Cleveland, Ohio
• University of Miami Center for Autism & Related Disabilities, Miami, Fla.
• University of Nebraska Medical Center, Omaha, Neb.
• The University of Texas Medical School at Houston, Houston, Texas
• Vanderbilt Medical Center, Nashville, Tenn.

The contents of this site are for informational purposes only and are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this site.