<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. data are from the abc sleep survey 2010 whose authors may be contacted at the woolcock institute for medical research, sydney, australia. the dataset is not available in an online repository as the authors do not have ethical approval to make these data completely open as the data are from minors and are potentially identifiable in nature. data access requests can be addressed to the corresponding author of this article.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>