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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: 1) data of study cohort is provided. 2) validation cohorts 1 and 2 are published plos one papers. 1.yang ch, chan pc, liao st, cheng sh, wong ww, huang lm, et al. (2013) strategy to better select hiv-infected individuals for latent tb treatment in bcg-vaccinated population. plos one. 2013 aug 27;8(8):e73069. doi: 10.1371/journal.pone.0073069. ecollection 2013. 2.sun hy, hsueh pr, liu wc, su yc, chang sy, hung cc, et al. (2015) risk of active tuberculosis in hiv-infected patients in taiwan with free access to hiv care and a positive t-spot.tb test. plos one. 2015 may 4;10(5):e0125260. doi: 10.1371/journal.pone.0125260. ecollection 2015.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>