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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: data taken at the time of data collection predate data archives and open access agreements, and participant consent has not been taken for data to be made widely available online (mrc-cfas, university of cambridge). data are, however, available directly from the mrc-cfas study whose authors may be contacted at cfas institute of public health forvie site university of cambridge school of clinical medicine, cambridge biomedical campus cambridge cb2 0sr01223 330312 national coordinator: linda barnes leb22@medschl.cam.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>