<|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 norwegian ethical and legal restrictions, all the data underlying the findings in our study cannot be made publicly available. requests for data access can be directed to haukeland university hospital, 5021 bergen, norway, att. med. director alf h. andreassen; e-mail: (postmottak@helse-bergen.no); phone: +47 55 97 50 00. org. nr: 983 974 724.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>