<|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 from the chang gung memorial hospital, taiwan. the data are available to interested researchers but cannot be made publicly available due to ethical concerns raised by the hospital's ethical committee. readers can contact the corresponding author to obtain raw data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>