- Correspondence to Dr Philip Peng, Anesthesia, Toronto Western Hospital, University Health Network, Toronto ON M5T2S8, Canada;
- Received November 26, 2019
- Revision received November 27, 2019
- Accepted December 2, 2019
- First published December 25, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.