<|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 owned by inserm-anrs and ministère de la santé and have ethical restrictions that do not allow for the data to be publicly available. data requests may be submitted to the copana cohort and must be approved by the french computer watchdog authority, la commission nationale de linformatique et des libertés (cnil). please submit requests for data access to the scientific council of the inserm anrs copana cohort: ms sandrine couffin-cadiergues (sandrine.couffin-cadiergues@anrs.fr). after discussion and validation of the study, limited data will be available.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>