<|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 can only be provided upon request to the ethics committee of the faculty of medicine and miguel castelo-branco, provided that informed consent is obtained from the participants for data delivery to other researchers who meet the criteria for access to confidential data. data are from the diamarker study whose authors may be contacted at cbranco@fmed.uc.pt.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>