<|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 authors do not own the data underlying this study. the data have been obtained from the steering committee of the malm_ diet and cancer study, which coordinates the research from this database. data are only available upon request because of confidentiality of human research subjects (legal restrictions). a file of data underlying this study is available after application to the malm_ diet and cancer study steering committee for the purpose of transparency of the present results (http://snd.gu.se/en/catalogue/study/610). data manager: anders dahlin (e-mail: anders.dahlin@med.lu.se). chair of the steering committee: olle melander (e-mail: olle.melander@med.lu.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>