<|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 analyzed correspond to fatal and nonfatal occupational accidents, occurred in mexico in 2012. even when data are made anonymous, there are several legal restrictions on the use of information, given the implications of its potential inappropriate public use. particularly because the companies participating in the system, could be indirectly identified, violating ethical confidentiality agreements and institutional regulations. however, researchers consider access to the data if a research proposal is sent to the mexican institute of social security for this, researchers must submit a previous request and have approval of protocol by an ethics committee. interested researchers can contact dr. victor borja (victor.borja@imss.gob.mx) for more information.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>