<|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. the data cannot be made publicly available due to ethical and legal restrictions. data are available upon request from the corresponding author (wahafiz@um.edu.my).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>