<|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. full patient data cannot be made publicly available due to restrictions of german data protection law. readers may contact prof. ali canbay (corresponding author), ideally by e-mail: ali.canbay@uni-due.de. original data will then be sent to the requesting agency or researcher.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>