<|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 for this analysis was provided by the swiss health insurers helsana, css and sanitas and is owned by these companies. the data may be available upon request from helsana. request for the file pilot study for quality indicators of drug-drug-interactions in switzerland in 2010 should be addressed to: dr. oliver reich, helsana, zurich, switzerland, email: oliver.reich@helsana.ch.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>