<|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: data are not owned by the authors. due legal restrictions imposed by la commission nationale de linformatique et des libertés (cnil), the data are available upon request. requests for the data may be sent to dr. eric fontas, the corresponding author (fontas.e@chu-nice.fr).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>