<|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 all data underlying the findings are fully available without restriction. data were not generated by the authors of the study, and are governed by ethical restrictions. data can be obtained from the danish health and medicines authority, the aarhus university hospital prescription database, and the central denmark region (the centre for public health and quality improvement). detailed information on the application procedure for data access for researchers outside denmark can be found at the danish data protection agency homepage (http://www.datatilsynet.dk/erhverv/tredjelande/overfoersel-til-tredjelande/). in order to access data from the aarhus university prescription database, researchers may apply to the department of clinical epidemiology, at aarhus university hospital (www.kea.au.dk). to access the survey data from the central denmark region, researchers may apply to the centre for public health and quality improvement at www.hvordanhardudet.rm.dk. to access hospital contacts and the civil registration system data, researchers may apply to the danish state serum institute at the research service unit of this institute (forskerservice, at http://www.ssi.dk/sundhedsdataogit/forskerservice.aspx) and to the central office of civil registration, copenhagen (https://cpr.dk/cpr/site.aspx?p=194&articleid=4327), respectively.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>