<|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: This study was performed using publicly available data and complies with the Declaration of Helsinki, however given the public nature of the data locally appointed ethics committee approval and informed consent was not required.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>