<|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: the authors confirm that all data underlying the findings are fully available without restriction. data is held by aarhus university and can be available on request. datamanager lone fredslund, aarhus university lf@folkesundhed.au.dk, can be contacted to request further information and access to data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>