<|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, for approved reasons, some access restrictions apply to the data underlying the findings. data contain confidential information concerning individual level hiv status and healthy controls. data without traceable information back to individual level are available on request from the corresponding author or from torbjàrn aarsland, stavanger health research, torbjorn.aarsland@sus.no.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>