- Correspondence to Dr Jee Youn Moon, Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Jongno-gu, Seoul, Korea (the Republic of);
- Received January 20, 2019
- Revision received July 26, 2019
- Accepted August 9, 2019
- First published September 8, 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.