<|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: data is register information that originates from statistics sweden and the social security authority. the data from statistics sweden is based on informed consent to answer the level of living surveys between 19902007. data from the social security authority was information about granted disability pensions and was collected for research purposes without consent from the individual. the swedish law on research ethics states that research use of register data has to be given an approval from a regional research ethics committee. the study was approved by the regional research ethics committee in 2011 stockholm, sweden (dnr: 2011/1689-31/5). other researchers may obtain the same data and the same manner as we got it from statistics sweden, url: http://www.scb.se/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>