<|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 cannot be made publicly available since the informed consent signed by the participants, prohibits data sharing on an individual level as the approval for the study by the icelandic national bioethics committee is based on. requests for the data may be sent to the ages-reykjavik study executive committee, contact; ms gudny eiriksdottir, gudny@hjarta.is.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>