<|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, for approved reasons, some access restrictions apply to the data underlying the findings. the environmental data, i.e., ads data and air pollutant data, are publicly and freely available at the taiwan epa website at http://taqm.epa.gov.tw/taqm/zh-tw/yearlydatadownload.aspx. as for the clinic visit data, they were obtained from taiwan national health research institute and the authors are not allowed to disclose our dataset. to obtain the data, one should file a request to taiwan national health research institute (nhri) directly along with valid irb certificate and the research proposal for their internal review. the nhri database website is at http://nhird.nhri.org.tw.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>