AUTHOR=Schmal Christoph , Hong Sungho , Tokuda Isao T. , Myung Jihwan TITLE=Editorial: Coupling in biological systems: Definitions, mechanisms, and implications JOURNAL=Frontiers in Network Physiology VOLUME=2 YEAR=2022 URL=https://www.frontiersin.org/journals/network-physiology/articles/10.3389/fnetp.2022.1076702 DOI=10.3389/fnetp.2022.1076702 ISSN=2674-0109