<|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: data cannot be made publicly available due to ethical restrictions. the use of the data for further research needs to be approved by the institutional research ethical committee of national taiwan university hospital. requests to access the data may be submitted to larsli@ntuh.gov.tw.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>