<|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 with an ethical restriction. data are available from the "regional anesthesia and breast cancer recurrence" study, and should be contacted at daniel i. sessler, m.d., the principal investigator, outcomes research consortium, ds@or.org. he has put the data into a stable public repository but needs id number who may apply and get the permission both of cleveland ethic board and the principal investigator.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>