<|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 from united states department of veterans affairs for researchers who meet the criteria for access to confidential data. data instructions could be obtained from vha data portal (website:http://vaww.vhadataportal.med.va.gov/home.aspx). data could be requested through va data access request tracker under va informatics and computing infrastructure (website: http://vaww.vinci.med.va.gov/vincicentral/default.aspx, e-mail:vinci@va.gov).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>