<|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: ethical restrictions from the regional ethics committee in stockholm require that the data be kept at the department of communicable disease and prevention in stockholm (2013/1728-31/1). however, in cases of scientific inquiry, data can be made accessible upon request. requests for the data are to be made directly to the department of communicable disease control and prevention (smittskydd stockholm), attention åke örtqvist, md phd, county medical officer.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>