<|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 confirm that all data underlying the findings are fully available without restriction. only publicly available data were used for this study. influenza surveillance data were acquired from the cdc website (http://www.cdc.gov/flu/weekly/pastreports.htm). hospitalization datasets were acquired from the us agency for healthcare research and quality (http://www.hcup-us.ahrq.gov/sidoverview.jsp). population denominator data were acquired from the us census (http://www.census.gov/population/www/projections/).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>