<|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: Perl script and R code used in this study are available upon request from the corresponding author at pchen@jlu.edu.cn. The summary statistics of published GWAS are available from MRbase webapp (http://www.mrbase.org/) and can be accessed through TwoSampleMR package (https://github.com/MRCIEU/TwoSampleMR). UKBB GWAS summary statistics are available from Benjamin Neale<U+0092>s website (http://www.nealelab.is/uk-biobank, GWAS round 2).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>