<|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: according to danish legislation on rules applying to the danish national birth cohort, data can only be made accessible on the individual level after permission from the cohorts leading group and steering committee. access to the data requires an application submitted to and subsequently approved by the steering board. please contact the alspac executive committee (alspac-exec@bristol.ac.uk) to request access to the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>