- Correspondence to Dr Koen Van Boxem, Anesthesiology and Multidisciplinary Pain Center, Ziekenhuis Oost-Limburg, Lanaken, Belgium;
- Received May 11, 2020
- Revision received November 18, 2020
- Accepted November 23, 2020
- First published December 16, 2020.
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.