<|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 of this study are available upon request because of local ethical restriction. to request the data, researchers in regular universities and research institutes can liaise with prof. tatia m.c. lee (tmclee@hku.hk) in the laboratory of neuropsychology, the university of hong kong, hong kong, china.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>