<|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 dataset contains sensitive clinical information. although data are pseudonymised, there is still a possibility of recognizing individuals due to the limited number of studied subjects. the permissions obtained from the clinical research ethics committee of aragon (ceica) and the aragon health sciences institute (iacs) imply the exclusive use of the data by researchers of the epichron research group, with the direct involvement of the coordinator of the unit of social and clinical assessment (uvss) of the miguel servet university hospital in zaragoza. thus, this information cannot be published or shared with other institutions. the review of potential data sharing requests should be addressed to the chair of the research committee of the instituto de investigación sanitaria aragón (iis aragon) at proyectos@iisaragon.es.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>