<|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: the authors confirm that all data underlying the findings are fully available without restriction. data are available upon request because of an ethical restriction governed by the institutional review board from severance hospital. data are from the diabetes registry of severance hospital whose authors may be contacted at yholee@yuhs.ac.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>