<|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. to access epic data, a formal request is required and must be approved by the epic steering committee (sc). epic can be approached via a regional epic centre, an epic working group or the epic sc. the contact information for epic regional coordinators can be found at: http://epic.iarc.fr/centers/epicmap.php. for this study, we made a written formal request to the epic steering committee through dutch principal coordinator.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>