Genetic Causes for Autism

In 2012 Harris poll of 2760 U.S. patients and physicians found that doctors had recommended personalized genetic tests for only 4% of patients. Is this just a case of slow adoption, or is it early adopters that can afford a high cost? I think it has to do with slow adoption. You can imagine that the doctor is a little teaching dealer in Greece. He will not be very familiar. But also as he said, our knowledge is still very limited. And there is usually not much we can do.