<|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: there are restrictions within our protocol which both ethics committees have approved regarding the public accessibility of the database. the protocol states that only the study staff and investigators will have access to the database." however, the authors would be happy to make the data available upon request. individuals may contact fiona russell (fmruss@unimelb.edu.au) at the university of melbourne for data requests.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>