<|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 data used in this study is freely accessible and can be downloaded freely from the harvard dataverse network. the direct link to the data is: http://hdl.handle.net/1902.1/18737. one can also contact the co-author of this paper, dr. niranjan saggurti (nsaggurti@popcouncil.org) to get access to the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>