<|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 used for this study are anonymised patient data routinely collected from uk primary care held by the clinical practice research datalink (cprd: http://www.cprd.com/). data within this database can be accessed with an appropriate license from cprd and with ethical approval from the independent scientific advisory committee. our license does not permit us to make them publicly available to all. we used data from the version collected in july 2012 and have clearly specified the data selected in our methods section. to allow identical data to be obtained by others, via the purchase of a license, we will provide the code lists on request. licences are available from cprd: the clinical practice research datalink group, the medicines and healthcare products regulatory agency, 5th floor, 151 buckingham palace road, victoria, london sw1w 9sz, england or (http://www.cprd.com).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>