<|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: due to ethical restrictions, data are available upon request to interested researchers pending ethical approvals. requests for the data may be sent to the principal investigator of the steering committee, dr. torben jørgensen (torben.joergensen@regionh.dk).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>