<|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. data are available upon request, as they cannot be made publicly available due to legal restrictions. data are owned by the laboratory and academic hospital. data requests may be sent to dr. philippe connes (pconnes@yahoo.fr; umr inserm 1134 - chu de pointe à pitre - guadeloupe) or the sickle cell center of the academic hospital of pointe à pitre.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>