<|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: this study used data from the following information systems: brazilian mortality information systems: apac, brazilian hospital information system, the oncology module of the brazilian public ambulatory information system and the database of the national cervical cancer information system. although the data analysis in this study were performed in anonymized datasets derived from those databases as explained in the manuscript, we are not authorized to disclose their content. according to the brazilian ministry of health ordinance 884, from december 13th 2011 (http://bvsms.saude.gov.br/bvs/saudelegis/sas/2011/prt0884_13_12_2011.html), access to those databases may be obtained by a letter to the following address: esplanada dos ministérios ed. sede bloco g sala 900, cep 70.058-900 brasília/df  brazil. the requester must fill up the form and attach the documents indicated in the annex i of that ordinance.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>