<|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 used are from the 1000 genomes project (http://www.1000genomes.org/data). the reference panels used were obtained from the university of michigan center for statistical genetics (http://csg.sph.umich.edu/abecasis/mach/download/). the nicotine dependence studies (collaborative genetic study of nicotine dependence and the genetic study of nicotine dependence in african americans) are available from ncbi dbgap (accession number phs000813).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>