<|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 authors confirm that some access restrictions apply to the data underlying the findings. all data is stored at clinique medicale lactuel. ethical restrictions prevent us from sharing the data with the public. data that underlie the summary statistics of our cohort are not available given their sensitive nature with regards to drug use and risky sexual behaviour. data pertaining to adherence are available upon request and are limited to the variables of interest used in the regression analysis. all interested researchers should contact dr. nima machouf at nima.machouf@lactuel.ca.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>