<|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 for this study is not openly available due to the extreme vulnerability of the population studied. However, the data can be shared on request pending ethical approval; requests can be directed to the corresponding author, Dr. Rhoda Wanyenze at rwanyenze@hotmail.com or rwanyenze@musph.ac.ug.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>