<|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: per the harvard university committee on the use of human subjects, these are "level 2" data, so not all information may be posted. to the extent permitted by our irb protocol, aggregate statistics and de-identified data are posted at http://dx.doi.org/10.7910/dvn/qjsrzf.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>