<|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 raw data are owned by korea centers for disease control and preservation. anybody who signs up for membership can get raw data from the webpage of korea centers for disease control & preservation(https://knhanes.cdc.go.kr/knhanes/index.do).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>