<|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 authors used the data from the auckland and waikato breast cancer registers after obtaining ethical approval from the new zealand northern ñaî ethics committee (ref. no. 12/nta/42). the data contain personal information and are not publicly available. however, interested researchers may wish to contact ms. troydyn raturaga (data manager, auckland breast cancer register) and ms. rachel shirley (coordinator, waikato breast cancer register) to request the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>