What is Andrew Christler's area of expertise?
Andrew Christler is a seasoned speech-language pathologist with decades of clinical experience in helping patients improve vocal and swallowing impairments.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is Andrew Christler's area of expertise?

### Input: Not applicable

### Response:
Andrew Christler is a seasoned speech-language pathologist with decades of clinical experience in helping patients improve vocal and swallowing impairments.<|im_end|>