<|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 data used in this paper are freely available online. the gene expression profiles with associated pathology information can be downloaded from the following resources: gene expression omnibus (geo) at the national center for biotechnology information (http://www.ncbi.nlm.nih.gov/geo/); arrayexpress at the european bioinformatics institute (http://www.ebi.ac.uk/arrayexpress/); chemical effects in biological systems (cebs) at the national institute of environmental health sciences (http://www.niehs.nih.gov/research/resources/databases/cebs/); and toxicogenomics project-genomics assisted toxicity evaluation system (tg-gates) of the national institute of health sciences of japan (http://dbarchive.biosciencedbc.jp/en/open-tggates/download.html).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>