<|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 cannot be made publicly available due to ethical restrictions. data are from the niped research foundation, amsterdam, the netherlands. interested researchers may submit requests for data to roderik kraaijenhagen, director of niped research foundation.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>