<|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 from the korea center for chronic disease and control institutional data access / ethics committee for researchers who meet the criteria for access to confidential data. the authors obtained the data set from the korea center for chronic disease and control, which owns the data. readers can send requests for data to tel: 82-43-719-7466 or email: choym527@korea.kr (division of health and nutrition survey, kcdc) or osong health technology administration complex, 187 osongsaengmyeong2(i)-ro, osong-eup, heungduk-gu, cheongju-si, chungcheongbuk-do, korea 363-700.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>