<|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 available from the corresponding author (n. ü.), department of neurology, university of würzburg, germany, observing the institutional limitations of the würzburg and munich medical school ethics committees with regard to confidental data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>