<|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 cannot be made available publicly because the consent of participants implied that only the investigators would have access to their data. in addition, the human research ethics committee of the department of health and the wa data linkage system (wadls) office restrict access to named investigators (who are bound by confidentiality). hence, colleagues who wish to access the study data will have to request approval from the wadls. investigators who wish to access the data reported in this study should contact professor leon flicker (leon.flicker@uwa.edu.au).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>