<|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 imposed by an irb, clinical raw data cannot be made publicly available without approval. requests for the data may be sent to kenichi nishioji m.d., ph.d., health care division, kyoto second red cross hospital, kyoto, kyoto, japan. e-mail: k.nishioji@kyoto2.jrc.or.jp.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>