- Correspondence to Professor Konstantinos Ritis, PhD, University Hospital of Alexandroupolis, Dragana, Alexandroupolis 68100, Greece;
- Received May 20, 2014
- Revised August 29, 2014
- Accepted September 13, 2014
- First published September 26, 2014.
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.