<|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 state that according to danish laws, access restrictions apply to data underlying the study findings. for example, data from statistic denmark, who administrates the updated echos dataset including information on death and socioeconomic status, can only be made available for researchers who meet certain criteria for access to confidential data. requests for these and other data may be made on an individual basis to the corresponding author (e-mail: karl.emil.kristensen@regionh.dk).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>