<|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 from the "psychiatric comorbidity and early retirement in patients with somatic diseases" study whose authors may be contacted at institute of social medicine, occupational health and public health, prof. steffi g. riedel-heller (steffi.riedel-heller@medizin.uni-leipzig.de, +49 341 9715408). aggregated data are provided in the paper tables. data are available upon request to interested researchers. restrictions that protect participant privacy and publication guidelines of the study group have to be considered.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>