<|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 presented here are third party data from the regional governments of país vasco, cataluña and castilla y león, and contain sensitive participant information. the aggregated complementary data that the authors used for this study are available upon request. please contact arantxa arrillaga (mirenarantzazu.arrillagaarrizabalaga@osakidetza.eus), josé luis martinez (joseluis.martinez@gencat.cat) and henar marcos (marrodhe@jcyl.es) to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>