Excerpt taken directly from the original article-
Making Dance/Movement Therapy the Therapy of Choice for Autism Spectrum Disorder  By Danielle Fraenkel:

“Phillip Martin-Nelson, principal dancer of Les Ballets Trockadero de Monte Carlo, who was diagnosed with severe autism, credits ballet with saving his life. Similarly, dance classes have been a driving force for Leon*, a 15 year old, high functioning, home schooled male, diagnosed as a young child, with Autism Spectrum Disorder.”

Here is the link to see the original article in its entirety from its original source- The American Dance Therapy Association:
http://blog.adta.org/2015/04/20/making-dancemovement-therapy-the-therapy-of-choice-for-autism-spectrum-disorder/