<|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 available upon request to the corresponding author due to ethical restrictions imposed by the medical research coordinating committee (mrcc) of the national institute for medical research (nimr) in tanzania. permission from the mrcc must be obtained before this data can be transferred or shared.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>