<|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 ukroc data are protected under the principles of information governance in the uk and may not be publicly deposited. individual requests for data sharing can be made by contacting prof. lynne turner-stokes (lynne.turner-stokes@dial.pipex.com), or by direct application to ukroc at the following e-mail address: nwlh-tr.ukroc@nhs.net.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>