<|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 dataset can be obtained from the malmö mammographic screening program (sophia.zackrisson@med.uu.se), national board of health and welfare (http://www.socialstyrelsen.se/english/contactus), and statistics sweden (http://www.scb.se/contact) after approval of the project by an ethics committee.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>