<|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 from this manuscript come from four different sources. 1.) Lao Bureau of Statistics Census data, available through: http://www.decide.la/en/ 2.) Remote sensing data available through: https://modis.gsfc.nasa.gov/data/ 3.) Roads and highway data available through: http://www.openstreetmap.la 4.) Patient hospital records which can be requested from the Mahidol Oxford Tropical Medicine Research Unit (following policies and guidelines): http://www.tropmedres.ac/data-sharing    http://www.decide.la/en/   https://modis.gsfc.nasa.gov/data/   http://www.openstreetmap.la   http://www.tropmedres.ac/data-sharing<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>