<|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 files are deposited in the Malawi-Liverpool-Wellcome Trust Clinical Research Programme and ACT Consortium databases. Due to ethical restrictions, the data are available through the relevant Ethics Committees for researchers who meet the criteria for access to confidential data. Requests for data should be sent to Paul Snell (paul.snell@lshtm.ac.uk).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>