What are the areas of expertise of Andrew Christler?
Andrew Christlers areas of expertise include voice disorders, transgender voice, swallowing disorders, and dysphagia.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What are the areas of expertise of Andrew Christler?

### Input: Not applicable

### Response:
Andrew Christlers areas of expertise include voice disorders, transgender voice, swallowing disorders, and dysphagia.<|im_end|>