<|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: please note that the data are not freely available and some access restrictions will apply. thin data were purchased by ucl for use in public health research. the data are under license which prevents ucl from distributing the data to third parties. however, the data can be obtained by contacting csd medical research by phone at +44(0) 20 7388 8215 or email on info.csdmruk@cegedim.com. the data are under licence which can be obtained from csd medical research.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>