<|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 relevant data are within the paper and its supporting information files. data are provided as stata database files (*.dta). the authors' data can also be accessed via a public repository (danish public repository: the danish data archive (dda). web: http://samfund.dda.dk/dda/default-en.asp; accession number: 24983 preservation of residual renal function in hemodialysis patients by treatment with an angiotensin ii antagonista double blind randomised study, 2010 danish title: "bevarelse af restnyrefunktion hos hæmodialysepatienter ved behandling med en angiotensin ii antagonisten dobbeltblind randomiseret undersøgelse (safir)". for access via dda, please contact dda project manager bodil stenvig, e-mail: bs@dda.dk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>