<|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: third-party data for this study is provided by the north american association of central cancer registries. due to ethical restrictions, data cannot be made publicly available, however, interested researchers may submit a concept to naaccr to obtain data, by visiting this website: http://www.naaccr.org/research/cinadeluxe.aspx.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>