<|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 current analysis has been done using part of data from the tb-patient database maintained by brac under national tuberculosis control programme, bangladesh and consists of patient data routinely collected in the programme. all relevant data used in this study are freely available in the paper. interested readers and researchers may also contact the author (sthossain@yahoo.co.in) with queries related to data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>