<|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 data files are available from the korea centers for disease control and prevention database through the following urls: http://cdc.go.kr/cdc/contents/cdckrcontentview.jsp?cid=60599&menuids=home001-mnu1130-mnu1639-mnu1640-mnu1642, http://cdc.go.kr/cdc/contents/cdckrcontentview.jsp?cid=60940&menuids=home001-mnu1130-mnu1639-mnu1748-mnu1752, and https://knhanes.cdc.go.kr/knhanes/eng/. anybody who signs up for membership can get raw data from the webpage. unfortunately, the data downloads are only available on the korean site. kyungdo han (hkd917@naver.com), the second author, can help provide the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>