Mary V Seeman, Department of Psychiatry, University of Toronto, Toronto M5P 3L6, Ontario, Canada
Author contributions: Seeman MV is the sole author and has approved the final version.
Conflict-of-interest statement: I am the widow of one of the investigators mentioned in the text.
: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Mary V Seeman, OC, MDCM, DSc, Professor Emerita, Department of Psychiatry, University of Toronto, 260 Heath Street West, Suite #605, Toronto M5P 3L6, Ontario, Canada. email@example.com
Received: February 25, 2021
Peer-review started: February 25, 2021
First decision: April 20, 2021
Revised: April 22, 2021
Accepted: June 22, 2021
Article in press: June 22, 2021
Published online: July 19, 2021