<|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 obtained from the mapp research network, an nih/niddk consortium. imaging and phenotype data are available upon request from the consortium. requests for data access should be sent to chris mullins (mullinsc@mail.nih.gov), nancy a. robinson-garvin (narobins@mail.med.upenn.edu), and emeran a. mayer (emayer@ucla.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>