<|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 from the Communicating Health Results study whose authors, Dr. Lisa McDaid and Dr. Shona Hilton, may be contacted at MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, 200, Renfield Street, Glasgow, G2 3QB. Data are available on request because there are ethical restrictions on the data relating to data archiving.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>