<|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 cannot be made freely available as they are subject to secrecy in accordance with the swedish public access to information and secrecy act [offentlighets- och sekretesslagen, osl, 2009:400], but can be made available to researchers upon request (subject to a review of secrecy). requests for data should be made to hanna augustin, hanna.augustin@gu.se. requests could also be addressed to the head of the department of internal medicine and clinical nutrition, university of gothenburg (gudmundur.johannsson@medic.gu.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>