<|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. according to our ethical approval, granted by the ethics committee of the rwht aachen university to the forschungszentrum jülich, the data underlying the findings in the manuscript are in forschungszentrum jülich, in the institute of neuroscience and medicine inm-4. data are confidential and will be available upon request: the interested reader can contact me (em) as corresponding author (e.maggioni@fz-juelich.de) of the manuscript.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>