<|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: due to ethical restrictions set by our ethics committee, raw fmri data are available only upon request to thomas d. bjella at thomas.bjella@medisin.uio.no. relevant data can be found on neurovault at http://neurovault.org/collections/648/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>