- Correspondence to Dr Ingo Eitel, Medical Clinic II, Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Lübeck, Ratzeburger Allee 160, Lübeck 23538, Germany;
- Received March 26, 2015
- Revised August 7, 2015
- Accepted August 22, 2015
- First published September 18, 2015.
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