<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. data are from the victorian state trauma registry (vstr), victorian orthopaedic trauma outcomes registry (votor), national study on costs and outcomes of trauma (nscot), and the prospective outcome of injury study (pois). the data used in this study are not freely available in the manuscript, supplemental files, or in a public repository due to ethical constraints and/or governance arrangements. data can be requested from the data custodians via the relevant authors listed here: victorian state trauma registry and victorian orthopaedic trauma outcomes registry: prof belinda gabbe (belinda.gabbe@monash.edu); national study on costs and outcomes of trauma: prof fred rivara (fpr@uwashington.edu); prospective outcomes of injury study: assoc prof sarah derrett (sarah.derrett@otago.ac.nz).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>