<|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: data from the national prescription and medical birth registers used in this study are available and owned by the national health register holders in denmark, iceland, norway and sweden provided permissions from the relevant national, regional or institutional ethics committees. the contact information for requesting an access to the data are as follows: statens serum institut (forskerservice@ssi.dk); the danish national database of reimbursed presciptions, department of clinical epidemiology (hks@dce.au.dk); sigríður haraldsdóttir, head of division, health information, directorate of health in iceland (shara@landlaeknir.is); kari furu, department head, norwegian prescription database, department of pharmacoepidemiology, norwegian institute of public health (kari.furu@fhi.no); martha ebbing, medical birth registry of norway (mfr@fhi.no); helena schiöler, socialstyrelsen (national board of health and welfare) (registerservice@socialstyrelsen.se, helena.schioler@socialstyrelsen.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>