<|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 current medical ethical approval does not allow for storing of these data in a public repository, but the data from this research are available upon request. readers may contact the authors to get the data (a.r.e. potgieser (a.r.e.potgieser@umcg.nl) and b.m. de jong (b.m.de.jong@umcg.nl).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>