<|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. data are from the screening marker study, a collaboration of the fred hutchinson cancer research center and group health. data are available for researchers meeting criteria for access to confidential data and pending review by fhcrc institutional review board. contact dr. polly newcomb pnewcomb@fhcrc.org.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>