<|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: with respect to data availability and the minimal data set, ethical and legal restrictions prohibit us from making the data set publicly available. the data will be made available upon request to all interested researchers. concerning this matter, readers may contact tanja zeller (t.zeller@uke.de) to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>