<|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. our data are available upon request as we stated because of ethical restriction. it is permitted to provide only the summary data to the public in the informed consent form that is approved by the tokyo women's medical university genome ethics committee. please contact katsunori ikari (email: kikari@twmu.ac.jp) to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>