<|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 upon request due to ethical restrictions from the university of utah irb and the kaiser permanente medical research program irb. interested researchers should contact the corresponding author (mls). upon irb approval, data will be made available.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>