<|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 university of helsinki, haartman institute for researchers who meet the criteria for access to confidential data. the data of this study may be requested from assoc. prof. hannele laivuori (hannele.laivuori@helsinki.fi).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>