<|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. this study performed a longitudinal analysis of the medical history of each beneficiary by linking several claims datasets and the national death registry. since its establishment in march 1, 1995, the single-payer nhi program has provided universal coverage and equal access to health-care services in taiwan. the national health research institute (nhri) maintains the nhi research database (nhird) based on data provided by the bureau of national health insurance (bnhi). this large computerized database, which is open to researchers in taiwan, contains registration files and original claims data for reimbursement under nhi programs. therefore, it offers researchers a representative nationwide database for the taiwan health-care system.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>