<|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: all data are available from the clinical practice research datalink for researchers who meet the criteria for access via the independent scientific advisory committee. url for the clinical practice research datalink (cprd): http://www.cprd.com/home/. contact details for cprd isac: james ellis, isac secretariat, medicines & healthcare products regulatory agency, cprd division, 151 buckingham palace road, london, sw1w 9sz, uk england. electronic submission of protocols and emails to: isac@cprd.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>