<|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: due to ethical restrictions and confidentiality requirements of statistics netherland, data are available upon request. these analyses were carried out under specific confidentiality agreements with statistics netherlands to access non-public national mortality data linked by statistics netherlands to our military examination records. data requests can be submitted to the centre for policy statistics of statistics netherlands: centrum voor beleidsstatistiek: cvb@cbs.nl. data requests should refer to project 7012. additional information can be found on the following website: http://www.cbs.nl/en-gb/menu/informatie/beleid/zelf-onderzoeken/default.htm. interested researchers should also contact the authors govert bijwaard (bijwaard@nidi.nl) or peter ekamper (ekamper@nidi.nl) for further information regarding the military examination records used.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>