<|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: quantitative data are fully available from the university medical centre hamburg-eppendorf for researchers who meet the criteria for access to confidential data. restrictions for qualitative data are necessary because individuals may be identified by context details. requests for the data may be sent to the corresponding author (guse@uke.uni-hamburg.de).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>