- Correspondence to Dr Shinichi Takamoto, Japan Cardiovascular Surgery Database, Tokyo, Japan;
- Received June 20, 2019
- Revised October 23, 2019
- Accepted October 26, 2019
- First published November 20, 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.