<|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 available upon request because ethical approval from the irb for this study does not allow release of personal data. readers may contact dr. harper if they have requests about the data or data analysis.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>