<|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 are available upon request. requests should be submitted to the gemini data manager dr. clare llewellyn at the health behaviour research centre, university college london, 1-19 torrington place, london, wc1e 6bt (email: c.llewellyn@ucl.ac.uk; tel: +44 (0)20 7679 1263). there are ethical reasons for restrictions on public data deposition. specifically, we dont yet have the families permission (or ethical approval) for public deposition.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>