<|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 data presented in this study are available upon request for researchers who meet the irb criteria at the university of north carolina at chapel hill for access to confidential data. interested researchers should send requests for data to he (helen) huang, ph.d. associate professor, ncsu/unc department of biomedical engineering, north carolina state, university & university of north carolina at chapel hill, email: hhuang11@ncsu.edu<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>