<|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: nhws data used in this study are available for noncommercial research and validation purposes, upon request. interested individuals may access these data for the purposes above in the same manner as the authors did without any additional restrictions. interested parties should contact marco dibonaventura (marco.dibonaventura@kantarhealth.com) to request these data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>