- Correspondence to Dr Ferenc Sipos, 2nd Department of Medicine, Semmelweis University, Budapest 1088, Hungary;
- Accepted April 17, 2020
- First published May 10, 2020.
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.