<|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 cannot be made freely available due to ethical restrictions. specifically, identifying images can be reconstructed from the image contrast of 3-d t1-weighted images. however, the authors confirm that all data underlying the findings are fully available upon request from the databases and it group at the max planck institute for human cognitive and brain sciences, leipzig, germany. requests for this data may be sent to the databases group leader, dr. roberto cozatl (cozatl@cbs.mpg.de).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>