<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. helgeland hospital is responsible for the data collected in this project. data are made available to all interested researchers upon request. requests for data should be submitted to the head of the center for science, research and education, helgeland hospital, chief physician fred mùrer.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>