<|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: all relevant data underlying the findings are in the paper. restricted access to raw data is due to ethical restrictions of the local ethical committee of the charité universitätsmedizin berlin. this raw data is available on request from the authors t. werncke and b. meyer, after obtaining permission from the local ethics committee of the charité universitätsmedizin berlin.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>