<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. most of the relevant data are in the manuscript file. since we have an extremly large database on psychotherapeutic hospital treatment, some further information considering this issue can be found in our first publication (liebherz & rabung, 2013). further information used for calculating our results are available upon request from the authors.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>