AUTHOR=Nguyen Nam P. , Karlsson Ulf Lennart TITLE=Editorial: Image-Guided Radiotherapy for Effective Radiotherapy Delivery JOURNAL=Frontiers in Oncology VOLUME=5 YEAR=2015 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2015.00253 DOI=10.3389/fonc.2015.00253 ISSN=2234-943X