<|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 are available upon request to researchers with valid proposals who agree to the confidentiality agreement as required by our institutional review board. we publicize our policies on our website https://handls.nih.gov. requests for data access may be sent to alan zonderman (co-author) or the study manager, jennifer norbeck at norbeckje@mail.nih.gov.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>