<|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. please contact the corresponding author to request data from this study. approval from the bidmc institutional ethics board is required to grant access to data. other data sharing agreements may also be necessary.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>