<|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. the data files include patient data that are unsuitable for public deposition. an anonymized data set is available from the karolinska institutet data access/ethical committee for researchers who meet criteria for access to confidential data. requests for the data may be sent to johan frostegård.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>