<|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: for interested parties data are available from the nutritionday data center office@nutritionday.org at the medical university vienna upon request. the rules for data sharing and data transfer are published since 2010 at http://www.nutritionday.org/en/researchers-scientists/researchers-scientists/publishnday-results/index.html. the responsibility for guaranteeing data safety and anonymity of participating countries, hospitals and units has been granted to the nutritionday data center in the approval of the ethical committee of the medical university vienna.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>