<|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. the whitehall ii study has a data sharing policy that is in line with the policy of the mrc (medical research council, uk), main funder of the data collection. this policy is available at http://www.ucl.ac.uk/whitehallii/data-sharing, and applied across the board for all data sharing purposes. interested parties may access the data used in this paper via an email to the first author at the following email address: s.sabia@ucl.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>