AUTHOR=Sumioka Hidenobu , Torresen Jim , Shiomi Masahiro , Chen Liang-Kung , Nakazawa Atsushi TITLE=Editorial: Interaction in robot-assistive elderly care JOURNAL=Frontiers in Robotics and AI VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/robotics-and-ai/articles/10.3389/frobt.2022.1020103 DOI=10.3389/frobt.2022.1020103 ISSN=2296-9144