<|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: all relevant data are found in supplementary files. in addition, virtually all the data are already in the public domain as supplementary files for the publication "who essential medicines policies and use in developing and transitional countries: an analysis of reported policy implementation and medicines use surveys" plos medicine 2014; 11(9): e1001724.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>