<|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, there are some access restrictions on the data. data collection and management are performed by the center of methodology and management of ors paca-inserm-ird umr912, and cannot be made publicly available for ethical and legal reasons. the data is available upon request and written requests may be sent to the corresponding author.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>