<|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: ethical restrictions prohibit us from making the dataset publicly available. the ethical approval obtained from the ethical review board in uppsala (dnr 2008/238) ensures that the data are processed in accordance with the swedish personal data act (swedish: personuppgiftslagen; 1998:204). data are available upon request from the research group clinical psychology in healthcare at the department of public health and caring sciences, uppsala university. requests should be sent to pi prof. louise von essen.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>