<|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: the informed consent given by kora study participants does not cover data posting in public databases. however, data are available upon request from kora-gen (http://www.helmholtz-muenchen.de/kora-gen) by means of a project agreement. requests should be sent to kora-pv@helmholtz-muenchen.de and are subject to approval by the kora board.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>