AUTHOR=Fekri Pedram , Dargahi Javad , Zadeh Mehrdad TITLE=Corrigendum: Deep Learning-Based Haptic Guidance for Surgical Skills Transfer JOURNAL=Frontiers in Robotics and AI VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/robotics-and-ai/articles/10.3389/frobt.2021.691570 DOI=10.3389/frobt.2021.691570 ISSN=2296-9144