<|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: data contain private patient information and are unsuitable for public deposition. patient and imaging data are available upon request from the knight alzheimer's disease research center (adrc) (http://knightadrc.wustl.edu/) with approval from the adrc executive committee. the guidelines for data requests can be found at (http://knightadrc.wustl.edu/research/pdfs/guidelines2013.pdf). contact the executive associate director, dr. krista moulder (moulderk@abraxas.wustl.edu) for details. for imaging data, contact the adrc neuroimaging core leader, dr. tammie benzinger (benzingert@mir.wustl.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>