<|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 45 and up study is a cohort study of more than 260,000 men and women aged 45 years and over resident in new south wales (nsw), australia; managed by the sax institute, it is an open research resource to help facilitate research on health, ageing and quality-of-life. the data set for the present analysis was created by linkage of 45 and up study baseline survey data to australian government and nsw state data sources with support of the centre for health record linkage (cherel) and permission from the custodians of each of the datasets under specific ethics approval managed by the sax institute. the sax institute retains a copy of the resultant dataset. interested researchers should contact the sax institute (45andup.research@saxinstitute.org.au) and cherel (cherel.mail@moh.health.nsw.gov.au) for data access approval procedures.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>