AUTHOR=Morishita Yoshiyuki , Sakuma Kunihiro , Chao Chia-Ter TITLE=Editorial: Frailty and Sarcopenia in Various Cachectic Kidney Diseases JOURNAL=Frontiers in Medicine VOLUME=7 YEAR=2021 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2020.627485 DOI=10.3389/fmed.2020.627485 ISSN=2296-858X