- Correspondence to Dr Lauri Kavaja, Medical Faculty, University of Helsinki, Helsinki 00290, Finland;
- Received September 17, 2017
- Revised May 8, 2018
- Accepted May 16, 2018
- First published June 23, 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.