<|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: data is not made publicly available due to the restriction of the kyoto city and ethics committee at kyoto university. if data is requested, please contact to dr. takeo fujiwara, head of department of social medicine national research institute for child health and development, tokyo, japan (fujiwara-tk@ncchd.go.jp).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>