<|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 (2008-04exp-01-c, 2009-01con-03-2c, 2010-02con-21-c, 2011-02con-06-c, 2012-01exp-01-2c), which can be found here: http://cdc.go.kr/cdc/contents/cdckrcontentview.jsp?cid=60940&menuids=home001-mnu1130-mnu1639-mnu1748-mnu1752.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>