<|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 from the "visceral leishmaniasis and malnutrition in amhara regional state, ethiopia" study, registered at clinicaltrials.gov with the number nct02148822, and due to ethical restrictions, data are not freely available. however, any interested researcher will be able to obtain a de-identified, participant-level dataset pending ethical approval by contacting estefania custodio, at ecustodio2014@gmail.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>