<|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: majority of the data used in this study are within the paper and its supporting information files. further confidential clinical data are available from the karolinska university hospitals institutional data access / ethics committee for researchers who meet the criteria for access to confidential data. please contact corresponding author dr. evren alici if necessary.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>