<|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: all relevant data (summary statistics) are within the paper and its supporting information files. the authors do not have the right/permission to make any data available; access to all va data is controlled by va data security policies. the source data from which the study were derived are available for individuals who meet the criteria for access, and data can be obtained from the department of veterans affairs, austin information center by contacting the austin national service desk at cdco-nsd@va.gov.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>