- Correspondence to Leonardo Kapural, Carolinas Pain Institute, Winston-Salem, NC 27103, USA;
- Received February 11, 2018
- Revision received March 24, 2018
- Accepted June 27, 2018
- First published January 3, 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.