<|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 detailed individual data used as the basis for the analyses in this paper are the property of the mayak production association and the southern urals biophysics institute (subi). access to this detailed individual follow-up, work history, and dose data are restricted for both legal and ethical (privacy) concerns. however, as described in the text, the analyses in this report were based on a highly stratified cross tabulation of the disease rates (cases and person-years). the supplementary material includes a log file that describes the construction of the rate (person-year) table used for the analyses and a log file that includes details on all of the fitted models that underlie the primary results in the paper. researchers interested in access to the person-year table or other data on the mayak worker cohort should contact dr. mikhail sokolnikov at subi (sokolnikov@subi.su).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>