<|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 all data underlying the findings are fully available without restriction. data include personal identifiers and are stored in secure location according to institutional policy and u.s. federal and state regulations. please contact suzanne m. marks at sqm3@cdc.gov for further information.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>