<|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 data underlying the findings cannot be made freely available because of ethical and legal restrictions. this is because the present study includes an important number of variables that, together, could be used to re-identify the participants based on a few key characteristics and then be used to have access to other personal data. therefore, the french ethical authority strictly forbids making such data freely available. however, they can be obtained upon request from the eden steering committee. readers may contact etude.eden@inserm.fr to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>