<|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: data are available from the population services international institutional data access / ethics committee for researchers who meet the criteria for access to confidential data. website here: http://thedata.harvard.edu/dvn/dv/cameroon/faces/study/studypage.xhtml;jsessionid=6e931203dd9a7f98f8477617288b?globalid=hdl:1902.1/20717&tab=files&studylistingindex=0_6e931203dd9a7f98f8477617288b<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>