<|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: due to ethical restrictions imposed by the kaohsiung medical university hospital institutional review board, data are available upon request. please send requests for access to the data to the corresponding author, dr. hon-yi shi (hshi@kmu.edu.tw).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>