<|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 data provided cannot be made freely available due to ethical constraints, as participants have not provided informed consent for their data to be stored in a public repository. individuals may contact first author dr. tim regan to request data. requests would then be subject to ethical review by the hunter new england human research ethics committee, and would need to be ratified by the university of newcastle human research ethics committee.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>