<|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 impact model is an aggregate model which integrates data from a variety of sources including publications and routine data sources. table s3 in the supporting information details risk factor, population and mortality data incorporated in each of the models. additional detail has now been included after table s3 which outlines the specific data archive or website where the data used in the modelling can be accessed. tables s5-s8 detail the: (i) age and gender stratified relative risks/beta coefficients used in the modelling and (ii) associated references for the publications used to obtain the relative risks/beta coefficients.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>