<|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: the data of the current cohort is a restricted military database. researchers who wish to use this database need to contact members of the medical corps of the israeli defense forces or the corresponding author: gilad twig, md, phd, the israel defense forces medical corps, and department of medicine 'b', chaim sheba medical center, tel hashomer, ramat gan 52621 israel. gilad.twig@gmail.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>