<|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: because of the legal restriction on patient privacy, the study data are available upon request by email or fax to: mr. luo luo, information center, the first affiliated hospital, college of medicine, zhejiang university, hangzhou, 310003, china, tel: +86-571-87236661, fax: +86-571-87236677, email: davidluo66@163.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>