<|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 because of an ethical restriction of the institutional review board of seoul national university bundang hospital (snubh irb). the readers may contact the snubh irb (82-31-787-1376) to request the data, and the authors confirm that data will be available upon request to all interested researchers.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>