<|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: due to restrictions by the valid approval of the local ethical board and according to patient informed consent, an anonymized data set is available upon request. in case of a data request please contact the corresponding author (prof. tobias geisler, department of cardiology, university hospital, tübingen).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>