<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: the authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. the data contains identifying human information and is available upon request. requests for the data may be sent to dr. richard hotchkiss (hotch@wustl.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>