<|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. ethical restrictions make data unsuitable for public deposition. data on t- and b-cell responses are available upon request by contacting the department for clinical research support, oslo university hospital (kliniskforskningsstotte@ous-hf.no) or professor dag kvale (dag.kvale@medisin.uio.no).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>