<|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 for the national health interview survey are collected by the national center for health statistics in the centers for disease control and prevention and are made publically available at the following website: http://www.cdc.gov/nchs/nhis/quest_data_related_1997_forward.htm. the web-based injury statistics query and reporting system (wisqars) is collected by the injury center in the centers for disease control and prevention and are publically available at the following website: http://www.cdc.gov/injury/wisqars/cost_help/calculations_toc.html.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>