<|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: data cannot be shared publicly due to legal restrictions imposed by the danish data protection agency to protect the identities of single individuals. data are available upon request from the research unit of general practice whose director may be contacted at feap@sund.ku.dk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>