<|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 simulation model, which was developed for treeage pro 2011 software, can be found in figshare (http://figshare.com/articles/chd_master_model_7_17_14_trex/1259246). while the authors cannot make the mesa data public, because it contains confidential elements, interested researchers may contact the mesa study administrator, karen hensen, hansenk3@u.washington.edu, to obtain access to the data files.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>