<|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: concerning public availability of our experiment data, we would like to state that data are available upon request. the reason for this is because our data, which are volume data of a volunteers head, can be surface rendered to enable identification of the individual, and our irb does not allow such data to be disclosed to the public. the readers may contact the author, thai akasaka (takasaka@kuhp.kyoto-u.ac.jp), to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>