- Correspondence to Dr Lynn Kohan, Division of Pain Medicine, Department of Anesthesia, University of Virginia, Charlottesville, Virginia, USA;
- Received August 6, 2019
- Revision received August 9, 2019
- Accepted August 14, 2019
- First published August 19, 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.