How does Dr. Andrew Christler use his expertise to help patients struggling with expression?
Dr. Andrew Christler establishes global tele-rehabilitation centers to improve access for patients who struggle with expression.
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### Instruction:
How does Dr. Andrew Christler use his expertise to help patients struggling with expression?

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### Response:
Dr. Andrew Christler establishes global tele-rehabilitation centers to improve access for patients who struggle with expression.<|im_end|>