<|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 datasets analysed and generated during this study are not publicly available due to ethical restrictions on sharing identifiable health data. Data are available from authors upon reasonable request and with permission of relevant institutional review boards.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>