<|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: due to ethical restrictions imposed by the vanderbilt university medical center and the shanghai cancer institute institutional review boards related to protecting patient privacy and approved consent procedures, data cannot be made publicly available. access to de-identified data is available to the research community with approval from the executive committee of the shanghai womens health study and the shanghai mens health study. researchers who are interested in using the data should submit a concept proposal to be reviewed according to the data sharing protocol of the shanghai women's health study and the shanghai men's health study. applications can be requested from dr. wei zheng (wei.zheng@vanderbilt.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>