<|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. the participant level data are available on request from the authors who may be contacted at bgelaye@hsph.harvard.edu. the country-specific ethical committees do not allow public deposition of the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>