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. 2019 Jan 22;9:7. doi: 10.3389/fonc.2019.00007

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Copyright © 2019 Li, Irmen, Liu, Shi, Alonso-Basanta, Zou, Teo, Metz and Dong.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Optimization and delivery efficiency comparison across different planning strategies. For optimization, only 5 patients were included and, because it does not include VMAT optimization, DCA was omitted from the optimization time chart. For delivery efficiency, both total MU and estimated delivery time are shown. Estimated delivery time was calculated using the dose rate and gantry rotation speed limits plus 1 min per non-zero couch angle due to additional time required for setup and verification.