<|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 from the lpops study are available upon request to researchers who meet the criteria for access to confidential information. access to data is permitted by korea institute for health and social affairs and requests to access data may be submitted to sang joon son, md, phd (sjsonpsy@ajou.ac.kr).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>