<|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: our data were obtained through licensing agreements (protocol 11_148) with the clinical practice research datalink (cprd). the cprd is the new english national health service (nhs) observational data and interventional research service, jointly funded by the nhs national institute for health research (nihr) and the medicines and healthcare products regulatory agency (mhra). all access and use of data via the cprd are carefully controlled under uk and european law and the rules and regulations operating in the nhs. in accordance with the conditions of the cprd license, data abstracts from the cprd could not be deposited in a public data depository. data are available to other researchers upon request from the cprd (http://www.cprd.com/contact/), and approval by the cprd independent scientific committee (isac, http://www.cprd.com/isac/).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>