<|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. data of the progr-s database is available to all interested researchers upon request. mental healthcare institutions from the northern netherlands share ownership of the data. moreover, as the database contains data from clinical practice within the mental health organizations, individuals may be traceable if all information from the database is available publicly. in accordance with the plos one data sharing policy, data from the progr-s cohort is readily available by contacting edith liemburg (e.j.liemburg@umcg.nl). persons requesting data should fill in a short data-request form indicating their research question and aims, desired variables, and a short description of the analysis plan. after approval by the progr-s steering committee, a custom-made database with the requested data will be provided.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>