<|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. data are collected and owned by cegedim strategic data and can be accessed by licensed purchasers. data can be accessed by contacting: cegedim house, pound road chertsey, surrey, kt16 8eh8 tel: +44 87 00 43 51 69 fax: +44 87 00 43 51 71.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>