<|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 medicare claims data was granted to the authors under a data use agreement (dua). under the terms of this agreement, the authors are not allowed to share this data. an individual wanting access to this data would have to file their own dua with the centers for medicare and medicaid services and gain approval to have access. in order to request the data, the readers may contact resdac (research data assistance center) at http://www.resdac.org/aboutresdac/contact-us.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>