<|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: There are ethical restrictions on sharing the present study data publicly. In particular, the study informed consent form that participants have signed mentions that only researchers can have access to the data. Data requests can be forwarded to the attention of the Ethics Committee of the Canton of Ticino, tel.: +41 91 814 30 57, email: dss-ce@ti.ch.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>