<|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: since these data relate to patient care, the authors have legal and ethical restrictions on making the minimal data set publicly available. these arise from albertas freedom of information and protection of privacy act and are a requirement of the authors' ethical approval from the university of albertas health research ethics board. data will be available upon request to interested researchers by contacting doug gross at dgross@ualberta.ca.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>