<|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: as the dataset used in the study contains several variables with personal health information, including age, dates, test results and diagnoses, it would be possible for a person to recognize her data in the dataset. the ethical committee approval, combined with the informed consent from the participants, does not enable the authors to make these data available. in addition the data set contained third party information from the cancer registry of norway. however, researchers can request access to these data by first obtaining approval from a norwegian regional ethics committee (https://helseforskning.etikkom.no/), and then applying to the cancer registry for access to the third party data used in this study (datautlevering@kreftregisteret.no). contact persons for the study: mari nygîrd (mari.nygard@kreftregisteret.no), espen enerly (espen.enerly@kreftregisteret.no).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>