<|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 are available from the center of integrative psychiatry, department of child and adolescents psychiatry, kiel, germany. data cannot be made publicly available due to ethical restrictions defined in the informed consent form for the patients and implemented by the ethics committee. for researchers who meet the criteria for access to confidential data, however, the data are available upon request to a.prehn@zip-kiel.de.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>