1Department of Medicine, Dow University Hospital, Dow International Medical College, Karachi, Pakistan
2Department of Medicine, Dr. Ruth KM Pfau Civil Hospital, Dow University of Health Sciences, Karachi, Pakistan
Copyright © 2022 The Korean Society of Critical Care Medicine
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.