<|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: data are available upon request due to ethical restrictions. the surveys include sensitive individual data about current health status and so the ethical approval includes a statement that the data will be kept in a private repository. requests for data can be made to kerstin bergh johannesson, director of the national centre for disaster psychiatry, uppsala university (email: kerstin.bergh.johannesson@neuro.uu.se) or the first author (email: filip.arnberg@neuro.uu.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>