<|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: to comply with the promise made to the study participants and to the irb the authors are limited to sharing data so-aggregated. official va protocol for access to such research data would also need to be followed prior to the data being shared. these limitations not withstanding, the authors confirm that the appropriately aggravated data will be made available upon request to interested researches, pending ethics approval. those wishing to access study data for these analyses data may contact the data team lead at the centre for chronic disease outcomes research brent taylor, phd (brent.taylor2@va.gov) to discuss the details of va data access approval processes and possibly the need for fees to cover staff time that may be involved.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>