<|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 by the norwegian regional committees for medical and health research ethics south east, data is only available upon request. an ethically compliant dataset will be provided by the authors who may be contacted at eirik.ikdahl@medisin.uio.no.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>