. Author manuscript; available in PMC: 2021 Feb 17.
Published in final edited form as: Heart Rhythm O2. 2020 Oct 6;1(5):390–393. doi: 10.1016/j.hroo.2020.09.004
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).