<|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: study data can be obtained at data.iumsp.ch (http://data.iumsp.ch/bertholet/1), a stable data repository. data.iumsp.ch is managed by the institute of social and preventive medicine, department of community medicine and health, lausanne university hospital, switzerland. request for the detailed, de-identified data must be addressed at data.iumsp.ch. requests are reviewed by the data sharing committee, for ethical and legal purposes. participants did not consent for data to be used for commercial purposes. the institutional review board has approved this consent procedure.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>