<|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 do not own the data. the data belong to the national board of health and welfare in sweden, which does not permit data-sharing. interested researchers who meet the criteria for access to confidential information may request data from karin gottvall (karin.gottvall@socialstyrelsen.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>