<|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: due to privacy protection rules implemented within the hospital, data are available on request from the medical physics group (http://www.mrt.uni-jena.de/impressum.29.0.html?&l=1) for researchers who meet the criteria for access to confidential data. long term contacts are prof. dr. jùrgen reichenbach as group leader and dr. karl-heinz herrmann as employee with an unlimited position. we do agree to provide access for everyone agreeing to a minimal privacy protection agreement.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>