<|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 are available from the kangbuk samsung health study whose authors may be contacted through the corresponding author. unfortunately, the data are not available to be shared publicly as we do not have irb permission for distributing the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>