<|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, for approved reasons, some access restrictions apply to the data underlying the findings. all data underlying the findings in this study are available on request from the unit for clinical and epidemiological data (dr stéphanie hoppe, institut bergonié, 229 cours de l'argonne, 33076 bordeaux cedex, france, s.hoppe@bordeaux.unicancer.fr) after agreement to abide by a data-sharing agreement.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>