<|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: all database files are available on the links: http://epidemio-ufpel.org.br/uploads/downloads/pone-d-15-25303%20b.xlsx and http://epidemio-ufpel.org.br/uploads/downloads/pone-d-15-25303%20a.xlsx. data are also available from figshare, doi: 10.6084/m9.figshare.3118546.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>