<|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: Data are presented in aggregate form within the manuscript. Individual-level data contain potentially sensitive information and are not suitable for public repository due to ethical restrictions. Data are available in de-identified form from the principal investigator (Email: skcalabrese@gwu.edu) or a representative of the Sexuality & Health Equity Lab (Email: shel@gwu.edu) upon reasonable request.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>