<|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, for approved reasons, some access restrictions apply to the data underlying the findings. the results presented in this article represent the first publication of health economic data from the larger study, for which the complete and final report is available from http://www.nets.nihr.ac.uk/projects/hsdr/081809235. due to ethical restrictions, we are not able to make available the raw data from which these analyses were drawn. however, we are able to share the aggregate data and analyses that underpin the findings reported in this study. these are available on request from diana.m.jackson@kcl.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>