- Correspondence to Adj. professor Arno Hänninen, Department of Medical Microbiology and Immunology, University of Turku, Turku 20520, Finland;
- Received May 16, 2017
- Revised November 17, 2017
- Accepted November 21, 2017
- First published December 21, 2017.
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.