<|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 only available on request due to legal restrictions. data were collected from a regional dutch health care insurer, and matched with data from statistics netherlands. based on dutch legislation and protocols of statistics netherlands, the leading author could only access the de-identified data in a secured room of statistics netherlands. also, any output destined for publication was first scrutinized by the internal review board of statistics netherlands. interested researches may also gain access to the on-site data by signing a formal waiver.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>