<|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: due to ethical restrictions under the comité d'éthique biomédicale hospitalo-facultaire des cliniques universitaires st luc (ref 2005/20sept/147), all the raw data underlying the study are available upon request to prof. françoise smets or dr. catherine lombard (francoise.smets@uclouvain.be; catherine.lombard@uclouvain.be<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>