<|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: all the data used in this study were abstracted from published results of included randomized controlled trials. there are no data included in the study or its statistical analysis that could not be obtained from publicly accessible media, conference proceedings or peer-reviewed journal publications.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>