AUTHOR=Conti Allegra , Kamimura Hermes A. S. , Novell Anthony , Duggento Andrea , Toschi Nicola TITLE=Editorial: Magnetic Resonance-Guided Focused Ultrasound: Physical Principles and Biomedical Applications JOURNAL=Frontiers in Physics VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2021.683899 DOI=10.3389/fphy.2021.683899 ISSN=2296-424X