<|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: all codelists and information required to run the algorithms are contained within the paper and the supporting information files. clinical data, which belong to the clinical practice research datalink (cprd), cannot be made publicly available. other researchers may extract the data from the cprd database and replicate the analysis, provided they have appropriate governance procedures and ethical approvals. interested researchers may contact the cprd directly (kc@cprd.com) to inquire about access to the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>