<|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: this study used swiss health interview survey (shis) data, which are available for a fee (800 swiss francs for the 2007 and 2012 shis data), and users must request permission to use the data from the swiss federal statistical office (sfso) by emailing the following address: sgb12@bfs.admin.ch. additionally, based on sfso guidelines, we are unable to release data online.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>