<|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 y-snps and y-strs data sets that were specifically used for this paper was collected from the sample and preformed analysis of y-chromosome markers. data on some y-chromosome haplogroups and haplotypes on different subsets of the whole sample analyzed in this paper have been published in the following articles: ambrosio b et al. (2010) coll antropol 34: 1215_1228; ambrosio b et al. (2010) ann hum biol 37: 86_107; ambrosio b et al. (2012) forensic sci int genet 6: e66_e71. these references are cited in the paper. the surname data cannot be shown in public repositories due to ethical reasons. however, the anonymized surname data will be made available upon request to rosario calderñn (rcalfer@bio.ucm.es).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>