editorial . 2021 Jan 6;6:118–119. doi: 10.1016/j.xjon.2021.01.001
© 2021 The Authors. Published by Elsevier Inc. on behalf of The American Association for Thoracic Surgery.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).