<|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 from this study are available upon request mainly due to the confidentiality commitment in our consent form and because it may risk the identification of study participants. Requests to access the dataset should be directed to the corresponding author by email (leungkaman@eduhk.hk) or to the Human Research Ethics Committee by email (hrec@eduhk.hk)."<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>