Published on in Vol 6, No 4 (2020): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://www.medrxiv.org/content/10.1101/2020.04.28.20084053v1, first published
.
1 Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
2 Independent Scholar, Hsinchu County, Taiwan