<|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: We are unable to publicly share this data set as it is highly sensitive and pertaining to a very vulnerable population. We would like to evaluate any data requests to ensure that the purpose is to further enhance knowledge of this population without further stigmatization. Data requests can be submitted to the project ethics team: Dr. David Rosen, MD, PhD, MSPH Associate Professor of Medicine Division of Infectious Diseases University of North Carolina at Chapel Hill CB# 7030 Chapel Hill, NC 27599 david_rosen@med.unc.edu Eric Juengst, PhD Professor Department of Social Medicine University of North Carolina at Chapel Hill CB #7240 Chapel Hill, NC 27599 ejuengst@med.unc.edu Mara Buchbinder, PhD Professor Department of social Medicine University of North Carolina at Chapel Hill CB #7240 Chapel Hill, NC 27599 mara_buchbinder@med.unc.edu.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>