<|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 some access restrictions apply to the data underlying the manuscript. the raw data are available at the trial coordination center of the university medical centre groningen. due to the ethical restrictions of the medical ethics committee of the university medical centre groningen, these data cannot be made publicly available in order to protect the confidentiality of the study subjects' private information. however, researchers can contact dr. gansevoort of the prevend committee at r.t.gansevoort@umcg.nl for a request of the raw data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>