<|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 data contain information abstracted from the national tuberculosis case report form called the report of verified case of tuberculosis (rvct) (omb no. 0920-0026). these data have been reported voluntarily to cdc by state and local health departments, and are protected under the assurance of confidentiality (sections 306 and 308(d) of the public health service act, 42 u.s.c. 242k and 242m(d)), which prevents disclosure of any information that could be used to directly or indirectly identify patients. for more information, see the cdc/atsdr policy on releasing and sharing data (at http://www.cdc.gov/maso/policy/releasingdata.pdf). a limited dataset is available at http://wonder.cdc.gov/tb.html. researchers seeking additional data may apply to analyze national tb surveillance system data at cdc headquarters by contacting dr. thomas navin (trn1@cdc.gov).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>