<|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 in this study are owned by cprd. data can be obtained by applying to cprd, and by completing an application to the independent scientific advisory committee (isac). full details are available on the cprd website (http://www.cprd.com). the dataset used in this study consisted of patients who were registered with a primary care practice that contributes to cprd database in england; who had died during 2009; were over 18 at the time of their death and had a minimum of one year follow-up records in the database prior to their death and met cprd acceptability criteria for the quality of data entered.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>