- Correspondence to Dr Atsushi Nakajima, Department of Gastroenterology and Hepatology, Yokohama City University School of Medicine, Yokohama 236-0004, Japan;
- Received April 19, 2018
- Revised May 25, 2018
- Accepted June 5, 2018
- First published June 22, 2018.
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.