<|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: the data for the study are archived with the north wales organisation for rigorous trials in health and social care (nworth) at bangor university, a clinical trials unit accredited with the uk clinical research network. participants did not give informed consent for data sharing, and so data can only be made available by agreement of an nhs ethics committee. please contact nworth@bangor.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>