<|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: for legal reasons, data may not be publicly deposited. access to data is guaranteed by the mannheim institute of public health, mannheim, germany. requests for data may be sent to the corresponding author or joachim e. fischer, mannheim institute for public health, ludolf-krehl-str. 711, 68167 mannheim, phone: +049 621 383 9910, fax: +049 621 383 9920, e-mail: joachim.fischer@medma.uni-heidelberg.de.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>