<|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 data underlying the findings in our study are not freely and directly available in the manuscript, supplemental files, or in a public repository because the original approval by the regional ethic´s board and the informed consent from the subjects participating in the studies do not include such a direct, free access. if a reader wants access to the data underlying the present article, please contact swedish national data service with a direct link to this study (www.snd.gu.se/en/catalogue/study/ext0140).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>