<|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 university of calgary conjoint health research ethics board (chreb) or researchers who have been approved by the chreb to access the confidential health and personal data from this study.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>