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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. this study used the data from the national epidemiologic survey on alcohol and related conditions (nesarc) wave 1 conducted by the national institute on alcohol abuse and alcoholism (niaaa) in the united states. for confidentiality reasons, nesarc data have been designated as restricted access. users who require more information or who need help accessing the data should contact dr. aaron white, division of epidemiology and prevention research, national institute on alcohol abuse and alcoholism (whitea4@mail.nih.gov).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>