<|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: on the consent received by the participants, the data are to be used only for the research and are not to be opened to public without permission from the kold cohort study group. requests for the data may be sent to soo yeon moon, the data manager of the clinical research center for chronic obstructive airway diseases (oz09@naver.com).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>