<|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 data are available from the world bank microdata library (http://microdata.worldbank.org/index.php/home) by searching for madagascar and filtering by study year (2007 and 2011). alternatively, the 2007 and 2011 survey data can be accessed through the following links, resepctively: http://microdata.worldbank.org/index.php/catalog/405 http://microdata.worldbank.org/index.php/catalog/2219. the study data are considered licensed data, so they are available, but users have to apply to access them. note that the library abides to the standards of data documentation provided by the data documentation initiative (http://www.ddialliance.org/). the de-identified subset of data used for the analysis are available upon request to the corresponding author (annweber@stanford.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>