<|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 approval for the current study granted by the health research ethics board at the university of alberta was granted on the basis that all data would be kept confidential and would be stored and used in adherence to the guidelines established by the university. for these reasons, data are available upon request and requests can be made by contacting the primary investigator of the study, dr. paul veugelers.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>