<|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 within this study belong to the taipei city government. due to ethical restrictions, raw data of this manuscript can be made available upon request by contacting the corresponding author of this study, dr. muh-yong yen (myyen1121@gmail.com), requesting for data under the regulation of irb for the title of "implementation, data analyses and evaluation of the school-based infectious disease surveillance system in taipei city" (original chinese title name is " <u+81fa><u+5317><u+5e02><u+6821><u+5712><u+50b3><u+67d3><u+75c5><u+5075><u+6e2c><u+7cfb><u+7d71><u+5206><u+6790><u+8207><u+57f7><u+884c><u+8a55><u+4f30>").<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>