<|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 data underlying this study were collected and analyzed by the author group of this paper. data are available upon request by contacting www.targetkids.ca/contact-us/. the full data are not freely available due to ethical restrictions imposed by the irb. once initial contact has been made, the authors request a short research proposal which will be subject to review by the target kids! scientific committee (including some of the authors of this paper) and irb approval.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>