<|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 confirm that all data underlying the findings are fully available without restriction. the study is a population study and the raw data cannot be publicly available due to the participants' privacy. requests for the data set should be submitted to the ethical review board of harbin medical university. the contact name is jing chen. the contact way is: dbywc@126.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>