<|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 sampled subjects and their health service utilization for this cross-sectional study were retrieved from the taiwan longitudinal health insurance database (lhid2000). the lhid2000, which was open to the researchers in taiwan, was available from the nhri (http://nhird.nhri.org.tw/date_01.html). this study is based on de-identified secondary data from the lhid2000 released by the nhri without restrictions for research purposes. requests for the data may be sent to nhird@nhri.org.tw.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>