<|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. the data sets cannot be shared publicly due to the ethical restrictions; however, all the data are available from the northumbria university ethics committee (via email to mark.russell@northumbria.ac.uk) for researchers who meet the criteria for access to confidential data. in addition, all the data points derived from the footage can be found in the paper and supporting information files.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>