<|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 related to protecting patient confidentiality. researchers who are interested in using data for research purposes can apply for access to the abcd data by contacting the research committee at abcd@amc.uva.nl or the principal investigator tgm vrijkotte (t.vrijkotte@amc.uva.nl).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>