<|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 data underlying the results presented in this study contain potentially sensitive information about a vulnerable population. As a result, access restrictions have been imposed by the University of Toronto Research Ethics Board. Data requests can be addressed to Dr. Matthew Kwan (mkwan@brocku.ca), Associate Professor, Department of Child and Youth Studies, Brock University, Co-Principal Investigator, or the University of Toronto Research Ethics Board (ethics.review@utoronto.ca).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>